His fault is that he's too diffident.(他的過失是太缺乏自信啦。)

He was too diffident to express his opinion.(他太不自信，不敢發(fā)表自己的見解。)

Although he had never mentioned the word of "love" before her, yet she could vaguely detect that passion burning in his diffident look. She dropped him one hint after another to encourage him;(他從沒有在她面前提過愛，然而，她依稀可從他羞澀眼眸中察覺到那一股灼灼愛意。)

Even really talented people are made to feel diffident and nervous when they are queuing in a long line for an interview.(排著長(zhǎng)隊(duì)等待面試時(shí)，哪怕是最有能力的人也會(huì)覺得沒有信心，緊張。)

The quality or state of being diffident; timidity or shyness.(膽怯缺乏自信的性質(zhì)或狀態(tài)；)

The diffident institutional environments in different countries lead to different management methods of urban design.(重點(diǎn)闡述了“制度環(huán)境”差別對(duì)不同國(guó)家采用不同城市設(shè)計(jì)管理模式的影響和制約作用。)

Above three kind of themes have diffident characteristic, but they constituted the Chinese classical novel unique imagination world together.(上述三種題材各具特色，互相影響，共同構(gòu)成了中國(guó)古典小說獨(dú)特的想象世界。)

And if the show's take on families - the artist's projections of happiness and fulfillment - feels diffident, even cold, that is because to a certain extent it is.(而且，如果展覽中呈現(xiàn)的家庭-藝術(shù)家所表現(xiàn)出的幸福與滿足-感覺不太一樣，甚至于有些冷漠，那是因?yàn)橐欢ǔ潭壬蟻碚f它就是如此。)

Aristocratic languor, critics thought, made him too diffident sometimes on the field.(高貴的慵懶，批評(píng)家的思想，使他有時(shí)候在球場(chǎng)上與眾不同。)

John was as bouncy and ebullient as Helen was diffident and reserved.(約翰活潑、熱情；而海倫卻羞怯、矜持。)