diffident GMAT专八GRE

He is diffident about expressing his opinions in the public.

他在公开场自己意见感到胆怯。

He was too diffident to express his opinion.

他太不自信，不敢发自己见解。

There was something shamefaced or diffident about the movement, as if the intention were to conceal any idea of stopping until the very last moment.

这人行动有些害羞者有些胆怯，好像不到最后一刻都不打算暴露任何要停下来想法。

He has a politely diffident manner.

他态度是客气中带有羞怯。