不得了 1.(表示情况严重) terrible; horrible; desperately serious 责任大得不得了 have a terrible responsibility; 没有什么不得了的事。 there's nothing really serious. 成绩不夸跑不了, 缺点不找不得了。 if we don't speak of our achievements, they won't run away. if we don't find out our faults, we'll be in a bad way.2.(表示程度很深) very; extremely; exceedingly; terrible 高兴得不得了 be extremely happy; 热得不得了 be awfully hot; 坏得不得了 couldn't be worse; be very bad
不得不 have no choice but to; be bound to; be obliged to do sth.; cannot but; have to; cannot choose but; can't do better than; can't help but; can't keep from; can not refrain from; compel; force sb. to do sth.; have no option but to 不得不低头认罪 have to plead guilty; 时间有限, 我不得不赶紧。 as time is limited, i have to hurry. 我不得不同意你的决定。 i cannot but agree to your decision