have time on one's hands 有多余时间

Hello, 各位亲爱的朋友大家好，今天和大家分享的是：have time on one's hands 有多余时间

A: Would you like me to help you?B: As long as you have some extra time on your hands, I'd love the help.(A: 要不要我帮你忙？)

(B: 只要你有空的话，我倒想请你帮个忙。)