Decided to things, again lose completely also don't say regret.

决定的事情，输得再彻底也不说后悔。

youdao

Well, I thought, I've already lost half my job, I might as well go the whole hog and lose it completely.

嗯，我想，我已经丢了一半的工作了，我还不如彻底放弃算了。

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He had a terrible temper, and sometimes he would completely lose control.

他脾气暴躁，有时会完全失控。

《柯林斯英汉双解大词典》

I lose my interest in philosophy and take up an interest in, I don't know,something that completely doesn't-- organic chemistry holds no interest to me whatsoever.

我失去了对哲学的兴趣，对一个完全不相干的东西-,比如以前完全不感兴趣的有机化学。

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Not wanting to lose out completely, we contacted a customer who we knew wanted the book, and offered to broker the deal for a small fee.

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It is particularly rare for patients to completely lose their voice, even in the setting of bilateral cord paralysis.

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"Judging by the current situation, if fruit growers were to adopt GM fruits, they would completely lose their market in Europe, " she said.

BBC: GM apples could fight tooth decay