N-7:nodding terms 不太了解某人或某一主题
A:I think you're from the same school.
A:我想你们俩是同校的吧?
B:Yeah. I heard of him years ago.
B:是的,我几年前就听说过他。
A:He's doing a project with my company now.I need an objective evaluation of him.
A:他现在正在和我的公司合作开发一个项目,我想听听对他的客观评价。
B:I see. but I don't really know what he's like. We're only on nodding terms.
B:我明白,可是我真的不知道他的为人如何,我们只是点头之交而已。