be obliged to do

基本解释

When a person does a certain thing again and again, he will be obliged to do it in the same way by some unseen force.
当一个人周而复始地重复做某一件事的时候，由于某种看不见的力量他不得不以同样的方式做这件事。
When a person does a certain thing again and again, he'll be obliged to do it in the same way by some unseen force. Thus habit is formed.
当一个人反复的做某件事时，他就会被某种看不见的力量驱使不得不以同样的方式再去做这件事，于是习惯就形成了。
In the quest for growth, big miners will increasingly be obliged to do battle with foes old and new in parts of Africa and elsewhere that are as forbidding as the deepest mineshafts.
为了追求企业发展，大矿主将不得不与非洲内外的新旧对手作战，这就像是最深的矿井一样令人生畏。

He will be constitutionally obliged to do so having served two five-year terms.
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In countries that ultimately ratify the revised version, companies from non-ratifying countries will still be obliged to abide by the terms of the treaty, as they do any local laws.
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Adecco declared immediately—as it is obliged to do by stock-exchange rules—that there would be a delay in filing its accounts.
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