at (one's) expense

1. One's financial responsibility. Once I learned that the trip was at my expense, I decided not to go.

2. To one's detriment or disadvantage. I was furious when I heard the other kids telling jokes at my little brother's expense.

Name	Pronounced	Usage
Regina	rə-JEEN-ə (English), rə-GEEN-ə (English), rə-JIEN-ə (English), re-GEE-nah (German, Polish), re-JEE-nah (Italian), RE-gee-naw (Hungarian)	English, German, Italian, Spanish, Portuguese, Lithuanian, Polish, Czech, Hungarian, Swedish, Norweg
Arnau	-	Catalan
Meinrad	MIEN-raht (German)	German, Ancient Germanic
Iphigenia	-	Greek Mythology (Latinized)
Joe	JO	English
Cummins	['kʌminz]