Male antler flies do the same, except they use their antlers to head-butt each other—to see off rivals.

雄性鹿角蝇也做同样的事情，只不过它们用鹿角互相头撞头——以赶走竞争对手。

Bill will see off to the airport.

比尔要到飞机场送行。

I'm going to see off a friend of mine.

我要给我的一个朋友送行。

I am to see off Mr Brown this afternoon.

今天下午我要为布朗先生送行。

Can you wait for me while I see off my friend?

我送我的朋友的时候你能等我一会儿吗？