不得不做某事用英语怎么说

1. must do sth.

不得不做某事翻译为must do sth.。

示例：我必须，一定，不得不做某事。
I have got to do STH.

来源：英汉新词词典

2.   be obliged to do sth

不得不做某事翻译为   be obliged to do sth 。

示例：As Dr Poore points out, it is easy to undertake to preserve a forest, but difficult to do so in practice.
玻尔博士指出，保护森林说说容易，实际做起来却很难。译者按：be undertake to do sth。

来源：大课标百科词典

3.   Had to do something

不得不做某事翻译为   Had to do something 。

示例：i think it had something to do With the argument people heard.
我想那与 I think it had something to do

来源：英国翻译词典

4. have to do sth.

不得不做某事翻译为have to do sth.。

示例：have no diffculty in doing sth.
作某事无困难

来源：英语自学简明词典

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