for the sake of sth/for sth's sake

because of, or for the purpose of something

因为;为了

看在（某人、某物、某事）的份上...，经常会有for goodness', God's, Pete's, heaven's, etc. sake这种表达，意思就是“看在上帝份上，看在老天份上”，做做好事吧，行行好。

You're only arguing for the sake of arguing (= because you like arguing).

你只是为争论而争论。

For goodness' sake don't let her know I told you!

行行好，千万别让她知道是我告诉你的!