Lord (only) knows 1. [表示迷惑、焦急等] 〈口〉真是天晓得 Lord knows what we've let ourselves in for with this lease. 我们订了这种租赁契约，天晓得给自己带来了多少麻烦! 2. [用以加强语气] 众所周知；大家知道 I hope you will soon be finished. Lord knows you've been working long enough. 我希望你早些完工，大家都知道你干的时间已够长的了。