I'm very sorry that Let you had hard working.我已经忘记英文

I'm very sorry that Let you had hard working.我已经忘记英文
I'm very sorry that Let you had hard working.我已经忘记英文

I'm very sorry that Let you had hard working.我已经忘记英文
我很抱歉让你如此艰难的工作.

我很抱歉给了你如此棘手的工作。