1、He refused to yield up his gun.
他拒絕繳槍。

2、It is polite to yield up your seat on the bus to an old lady.
在公共汽車上給老婦人讓座是禮貌的。

3、It's polite to yield up your seat on the bus to an old lady.
在公共汽車上給老太太讓座是禮貌的。

yield up翻譯