brazen diffident厚颜无耻的;缺乏自信的
nervy diffident勇敢
diffident t羞怯的;缺乏自信的;谦虚谨慎的
D diffident不自信的
diffident brazen害羞的
Feel Diffident心里打鼓
nerved diffident有勇气的
diffident a缺乏自信的
ADJ（形容词） Someone who is diffident is rather shy and does not enjoy talking about themselves or being noticed by other people. 羞怯的
John was as bouncy and ebullient as Helen was diffident and reserved.
约翰活泼、热情；而海伦却羞怯、矜持。
N-UNCOUNT（不可数名词） diffidence 羞怯
He tapped on the door, opened it, and entered with a certain diffidence.
他敲了敲门，打开了门，带着一些羞怯走了进去。