People are leaving in the thousands while the going is good.

趁情况尚好，成千上万的人正在尽快撤离。

《柯林斯英汉双解大词典》

Don't you think we should quit while the going is good?

你不认为我们应该及早脱身吗？

《牛津词典》

I don't like the look of those rain clouds and think we should return home while the going is good, before it rains and we get soaked.

我讨厌好些雨云，我想我们应该在天还未下雨，我们还没被淋湿以前及时赶回家。

youdao

Mostly, though, countries seem to be exploiting economic success to update their hardware while the going is good.

ECONOMIST: Military spending in South-East Asia

The flaw in this idea might be that successful managers will be tempted to quit while the going is good.

ECONOMIST: Why equity markets have forgotten their function

Indeed, further spending cuts now, while the going is good, would reduce the debt even more, while also cooling the economies a bit.

ECONOMIST: Nordic economies