Traduction :
to tweak one's ears and scratch one's cheeks (as an expression of anxiety, delight, frustration etc) (idiom)
Référence :
挠：搔。抓抓耳朵，搔搔肋帮子。形容心里焦急而无法可想的样子。
Origine :
明·凌濛初《二刻拍案惊奇》卷十一：“大郎听罢，气得抓耳挠腮，没有是处。”
Exemple :
孙悟空在旁闻讲，喜得他～，眉花眼笑。（明·吴承恩《西游记》第二回）
Annotation :
抓耳挠腮1
1. zhuāěrnáosāi :
[EN] to tweak one's ears and scratch one's cheeks (as an expression of anxiety, delight, frustration etc) (idiom)
