Meg didn't know whether to laugh or cry.

麦格不知道该笑还是该哭。

When I see advertisements like this, I don't know whether to laugh or cry.

每当看到诸如此类的广告时，我真是哭笑不得。

I didn't know whether to laugh or cry.

我不知道该笑还是该哭。

And when I couldn’t find the passports – honestly, I didn’t know whether to laugh or cry!

【laugh】当我找不到护照时——老实说，我不知道是哭还是笑！