My bad! “我錯了”
An admission of guilt for a minor mistake; an expression meaning my fault!
When I accidently knocked over my friend's bag of golf clubs, I quietly said my bad! and he laughed as we picked them up.
我不小心碰翻了朋友的高爾夫球袋,我平靜地說:“我錯了!”他一邊笑,一邊和我一起把球棍檢起來。