I told my captors I'd cooperate on the condition that I would only post the truth - if they wanted me to post anything false or withhold anything true, they'd have to kill me first.

我告诉那些绑架我的人，我愿意与人合作，但我只写事实的真相，如果有谁试图让我写任何虚假的事情，那得先杀了我。

youdao

We are so unfortunate that we can only take pleasure in a thing on condition of being annoyed if it turn out ill, as a thousand things can do, and do every hour.

我们是如此不幸，以至于只有在某件事难以处理、令人烦恼的情况下，才能得到快乐，成千上万的事情都是这样，我们时时都有事情可做。

youdao

The banks, however, have agreed to provide just 188 billion won and then only on condition that Mr Kim agrees to go if he fails to turn Kia around.

ECONOMIST: South Korean firms

Hence, scrap the non-compete agreements and gardening leaves, but only on the condition that they are moving far away, and promise them a sumptuous dinner and lavish drinking budget if they come back to visit their old friends at your firm.

FORBES: Seeing your employees getting poached -- it's not all bad