不得 Bu De-V
不得再请求简约 Pactum de non petendo
不得劲儿 bū de jier
我不得不沉默下来 Me veo en la necesidad de callarme
依据不得再请求简约之抗辩 Exceptio pacti de non petendo
怪不得 guài bu de
够不得 gou bu de V
样我真的好舍不得好舍不得离 hao she bu de li
变得陌生不寻常 de-familiarized the familiar
不得已而求其次 faute de mieux
She came here legally but after she fell ill and had to stop working, her carte de sejour - the papers that allow her to stay and work in France - were revoked.
她是合法来到这里的，但在她病倒而不得不停止工作后，她的居留证——允许她在法国居留和工作的文件——作废了。
Some animals have been de-horned to deter poaching.
为了防止被偷猎，一些犀牛不得不被去角。
But first, Mister Venter said, they had to de-activate a gene in the receiving cell that would have killed the synthetic genome.
但是首先，文特尔先生说，他们不得不去掉受体细胞中的一个基因的活性以免它杀掉合成体。
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