a bit off的用法和样例：
- He's been a bit off his oats since his illness.
- He was a bit off with me this morning.
- I think it was a bit off, not even answering my letter!
- The food smell as if it is a bit off.
- Cut a bit off the rope,it is too long.
- a bit off有点精神失常...
a bit off的相关资料：