灰尘 灰塵 huī chén dust syn 吸尘器 吸塵器 xī chén qì vacuum cleaner / dust catcher 过滤 過濾 guò lǜ to filter syn 粉末 fěn mò fine powder / dust syn 沾满 沾滿 zhān mǎn muddy / covered in (mud, dust, sweat, blood etc) / daubed in syn 尘土 塵土 chén tǔ dust syn 筛选 篩選 shāi xuǎn to filter syn 过滤器 過濾器 guò lǜ qì filtering apparatus / (machine) filter 尘埃 塵埃 chén āi dust syn 卷土重来 卷土重來 juǎn tǔ chóng lái lit. to return in a swirl of dust (idiom) / fig. to regroup and come back even stronger / to make a comeback syn 沙尘暴 沙塵暴 shā chén bào sand and dust storm syn 后尘 後塵 hòu chén lit. trailing dust / fig. sb's footsteps / course in life 尘封 塵封 chén fēng covered in dust / dusty / lying unused for a long time 一尘不染 一塵不染 yī chén bù rǎn untainted by even a speck of dust (idiom) / selfless and incorruptible / spotless syn 卷起 捲起 juǎn qǐ to roll up / to curl up / (of dust etc) to swirl up syn 烟尘 煙塵 yān chén smoke and dust / air pollution syn 粉尘 粉塵 fěn chén dust / airborne powder / solid particulate matter 除尘 除塵 chú chén to eliminate dust (i.e. filter out suspended particles) 滤波器 濾波器 lǜ bō qì signal filter 望尘莫及 望塵莫及 wàng chén mò jí lit. to see only the other rider's dust and have no hope of catching up (idiom) / to be far inferior syn 风尘 風塵 fēng chén windblown dust / hardships of travel / vicissitudes of life / prostitution syn 沙尘 沙塵 shā chén airborne sand and dust 滤器 濾器 lǜ qì filter / strainer syn 灰土 huī tǔ dust / (soil taxonomy) spodosol syn 风尘仆仆 風塵僕僕 fēng chén pú pú lit. covered in dust (idiom) / fig. travel-worn syn 除尘器 chú chén qì de-duster / dust collector / dust separator / precipitator 滤纸 濾紙 lǜ zhǐ filter paper 滤镜 濾鏡 lǜ jìng (photography) filter 滤芯 濾芯 lǜ xīn filter cartridge / filter 滤波 濾波 lǜ bō to filter electric signals 滤清器 濾清器 lǜ qīng qì a filter 不费吹灰之力 不費吹灰之力 bù fèi chuī huī zhī lì as easy as blowing off dust / effortless / with ease syn 沙漏 shā lòu hourglass / sand filter 滤网 濾網 lǜ wǎng filter / a sieve 滤过 濾過 lǜ guò to filter 过筛 過篩 guò shāi to put through a sieve / to sift (flour etc) / to strain (a liquid) / (fig.) to screen / to filter / to select 尘雾 塵霧 chén wù cloud of dust / smog 土 tǔ earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1] syn 灰 huī ash / dust / lime / gray / discouraged / dejected syn 末 mò tip / end / final stage / latter part / inessential detail / powder / dust / opera role of old man syn 埃 āi dust / dirt / angstrom / phonetic ai or e syn 尘 塵 chén dust / dirt / earth syn 淋 lìn to filter / to strain / to drain / gonorrhea / (TCM) strangury syn 滤 濾 lǜ to strain / to filter syn 眯 mí to blind (as with dust) / Taiwan pr. [mi3] syn 筛 篩 shāi (bound form) a sieve / to sieve / to sift / to filter / to eliminate through selection / to warm a pot of rice wine (over a fire or in hot water) / to pour (wine or tea) / (dialect) to strike (a gong) syn 尘埃落定 塵埃落定 chén āi luò dìng lit. the dust has settled (idiom) / fig. to get sorted out / to be finalized syn 掸 撣 dǎn to brush away / to dust off / brush / duster / CL:把[ba3] syn 偏光镜 偏光鏡 piān guāng jìng polarizing filter 末子 mò zi powder / dust syn 沥 瀝 lì to drip / to strain or filter / a trickle syn 弹冠相庆 彈冠相慶 tán guān xiāng qìng lit. to flick dust off sb's cap (idiom) / to celebrate an official appointment / to congratulate and celebrate (promotion, graduation etc) 浮土 fú tǔ topsoil / surface dust syn 征尘 征塵 zhēng chén the dust of a long journey syn 滤色镜 濾色鏡 lǜ sè jìng color filter 尘螨 塵蟎 chén mǎn dust mite 滤清 濾清 lǜ qīng to filter and purify 万念俱灰 萬念俱灰 wàn niàn jù huī every hope turns to dust (idiom) / completely disheartened syn 甚嚣尘上 甚囂塵上 shèn xiāo chén shàng clamor raises the dust (idiom) / a tremendous clamor / to raise a tremendous stink syn 护封 護封 hù fēng dust jacket (of a book) / protective cover / document seal 金沙 jīn shā gold dust / salted egg yolk sauce 尘暴 塵暴 chén bào dust devil 酾 釃 shī (literary) to filter (wine) / to pour (wine or tea) / to dredge / also pr. [shai1] / Taiwan pr. [si1] syn 抹一鼻子灰 mǒ yī bí zi huī lit. to rub one's nose with dust / to suffer a snub / to meet with a rebuff 逸尘断鞅 逸塵斷鞅 yì chén duàn yāng lit. kicking up the dust and breaking the harness / fig. to ride like the wind (idiom) 双层滤料滤池 雙層濾料濾池 shuāng céng lǜ liào lǜ chí dual-media filter / double-layer filter / double-bed filter 保真滤波器 保真濾波器 anti-aliasing filter / anti-alias filter / alias filter 高通滤波器 高通濾波器 gāo tōng lǜ bō qì high-pass filter / low-cut filter 低通滤波器 低通濾波器 dī tōng lǜ bō qì low-pass filter / high-cut filter 空间滤波 空間濾波 filter / spatial filter 塕 wěng flying dust (dialect) / dust 灰霾 huī mái dust haze / dust storm 纤尘 纖塵 xiān chén speck of dust / fine dust syn 坋 bèn dust / to dust / a bank of earth / to bring together / to dig / also pr. [fen4] 浮尘 浮塵 fú chén dust (floating in the air or settled on a surface) / large amount of airborne sand and dust, such as during a sandstorm syn 偏极滤光镜 偏極濾光鏡 piān jí lǜ guāng jìng polarizing filter 多孔性 duō kǒng xìng porous / having many holes (e.g. filter gauze or sieve) 淘析 táo xī to strain / to wash and filter 滤出 濾出 lǜ chū to filter out 滤砂 濾砂 lǜ shā filter sand 滤除 濾除 lǜ chú to filter out 滤饼 濾餅 lǜ bǐng filtrate / solid residue produced by a filter / mud from filtering can sugar 筛除 篩除 shāi chú to screen or filter out / to winnow (agriculture) 过滤嘴香烟 過濾嘴香煙 guò lǜ zuǐ xiāng yān filter-tipped cigarette 带阻滤波器 帶阻濾波器 dài zǔ lǜ bō qì band-stop fllter / band-reject filter 带通滤波器 帶通濾波器 dài tōng lǜ bō qì band-pass filter f-k滤波器 f-klu:4 bō qì f-k filter 波数滤波器 wavenumber filter 缓冲作业带 filter strip / buffer strip 水流过滤装置 shuǐ liú guò lǜ zhuāng zhì flow filter 过滤除尘器 guò lǜ chú chén qì filter (layer) separator 滤食性动物 濾食性動物 filter feeder / suspension feeder 萨非过滤器 薩非過濾器 sà fēi guò lǜ qì Safi filter 通风空气过滤系统 通風空氣過濾系統 vent air filter system 时变滤波器 時變濾波器 shí biàn lǜ bō qì time-variant filter 防喷罩 防噴罩 fáng pēn zhào pop filter (audio engineering) 滤嘴 濾嘴 lǜ zuǐ cigarette filter 信息茧房 信息繭房 xìn xī jiǎn fáng (Internet) echo chamber / filter bubble 