感激
... justify 证明合法;证明。。。是恰当的; obliged to 不得不做;感激 obligated 有义务的;责无旁贷的。 ...
不得不
... 不保兑信用证Unconfirmed Letter of Credit 不得不(做)obliged to 不定期抽验Unperiodic Random Checking ...
必须
... banking industry 银行业 no longer 不再 obliged to 不得不;必须 ...
我不得不请他们吃饭。
I'm much obliged to you for helping us.承蒙相助,本人不胜感激。
The President was obliged to concede power to the army.总统被迫把权力让给军队。