not know whether to laugh or cry

Meaning

1. to be unable to decide how to react to a bad or unfortunate situation

From the same entry

• don't make me laugh
• he who laughs last laughs longest
• laugh all the way to the bank
• laugh in face
• laugh like a drain
• laugh on the other side of your face
• laugh out of court
• laugh till you cry
• laugh up your sleeve
• laugh your head off
• you have got to laugh
• kill yourself laughing