a diffident manner/smile
畏首畏尾的态度；羞怯的一笑
He was modest and diffident about his own success.
他很谦虚，不愿谈及自己的成功。
1.缺乏自信的
2.羞怯的,胆怯的
1.shy
1.She was of a helpless, fleshy build, with a frank, open countenance and an innocent, diffident manner.
她体格无力而多肉，一张坦率真诚的面容，一副天真无邪而羞怯神气。
2.Dick was always diffident when it came to staff matters, and not been able to summon up the gumption to bang the table.
遇到手下的人事问题时，迪克总是缺乏信心。他不能拿出气概，一锤定音。
3.The next day he received two more complaints, one from a man who came in diffident deprecation .
第二天，他又接到两起申诉，一起来自一个男的，用温和的语气提出意见。
4.Even really talented people are made to feel diffident and nervous when they are queuing in a long line for an interview.
排着长队等待面试时，哪怕是最有能力的人也会觉得没有信心，紧张。
5.But in a recent interview with Fox News , the president sounded diffident and nervous about his economic policy .
但最近在接受福克斯新闻网采访的时候，奥巴马总统对自己的经济政策出言谨慎，听起来充满了心虚和不安。
6.The Communist Party is diffident about laying claim to any development model that other countries might copy.
共产党在宣称自身拥有可供其他国家效仿的发展模式上十分低调。
7.How such arguments are received will depend on how well the diffident former academic is able to make his nation's case.
上述论调在多大程度上能为人们所接受，将取决于这位羞怯的前学者能多么有力地为自己的国家进行辩护。
8."I've had experience enough, " said Hurstwood blandly, but he felt a little diffident about referring to Fitzgerald and Moy.
“我有足够的经验，”赫斯渥淡淡地说道，但他没敢提及费莫酒店。
9.This boy, still midget but already diffident with a kind of rangy ease, is the best of the six.
这个男孩是那六个中打得最棒的，他个头虽然不高，但瘦长的四肢已使他羞怯中显出几分自如。
10.We be placed in an inside Chinese language to turn the extreme diffident ages.
我们处在一个中国文化极度缺乏自信的时代。