1. I don't think I can give my backing to your resignation.
   我认为我不赞成您辞职。
2. I think we can give the budget our full backing.
   我认为我们可以完全支持这项预算。
3. I would certainly give it my backing.
   我绝对赞成。
4. The cave gives back echoes.
   这个山洞把回音传回来。
5. Liu Bei was given 1,000 troops as the back up force.
   刘备带一千人马作后援。

　1个动词解释