CEDICT
to be afraid of getting into trouble; to be timid and over-anxious
Wiktionary
怕惹是非、不敢多事。
重編國語辭典
指一个人生性胆小,对任何有挑战的事情都惧怕不敢去尝试。
維基詞典
classifiers: 件, 樁, 回
She glanced shyly at the young man.
Source: Tatoeba