O-4：off base 多余的
A:How can you be so sure of that? Besides, you paid no beeds to him when he was poor.
A:你怎么能确定呢？再说，他穷的时候你根本就没注意过他。
B:He's not that narrow-minded. Besides, I haven't done anything off base. We kept a friendship.
B:他没那么小心眼，再说我也没做过对不起他们的事，我们一直就是朋友。
A:If you call it friendship. I have people all over the world as my friends.
A：你要连那也说是友谊，我就满世界都是朋友了。
