While girls lack confidence , boys often overestimate their abilities.

女孩通常缺乏自信，而男孩则往往会高估自己的能力。

《牛津词典》

Others lack confidence because of the high school bully factor.

另一些人则因为受过高中校园欺凌而缺乏自信。

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They just lack confidence, or are really bad with words.

他们缺乏自信，也有可能是真的嘴拙。

youdao

Similar surveys show that the public in countries with large Muslim populations - including Turkey - lack the confidence Iranian President Mahmoud Ahmadinejad can do the right thing regarding world affairs.

VOA: standard.2010.07.26

It was also caused by just a general lack of confidence.

它同时也是由于,缺乏自信导致的。

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But many rural women, who have not had formal education, often lack confidence to speak out.

BBC: Women are central to feeding Africa

"I don't think that team will lack confidence against anybody, " Heat coach Erik Spoelstra said.

NPR: Anthony Scores 50 As Knicks Beat Heat 102-90

This causes us to question Mr. Starr's motives and to lack confidence in his referral.

CNN: Transcript: Judiciary Committee impeachment hearing