I am surprised or annoyed by this.

For Christ's sake, Julie, what are you doing here?

This dress makes me look like a little old lady, for Christ's sake.

It's two in the morning, for Christ sakes! Why are you calling me now?

Usage notes: used for emphasis

Related vocabulary: for crying out loud, for goodness' sake, for Pete's sake

Etymology: based on the literal meaning of for Christ's sake (= in the name of or for Christ)

• tip the scales at
• tip the scales at something
• tip the wink
• tip your hand
• tire of
• tire of someone
• tire of something
• tire out
• tire you out
• tit for tat
• tit-for-tat
• tittle-tattle
• to advantage
• to a fault
• to a fine art
• to all intents and purposes
• to a man
• to and fro
• toast of
• toast of somewhere
• to a tee
• to begin with
• to be on the safe side
• to be said for
• to be said for doing something