run up against造句
Don't back up the moment you
run up against a little difficulty.
不要遇到一点困难就打退堂鼓.
This is one of the most puzzling cases I have ever
run up against.
这是我经手的最难办的案件之一.
When our principles
run up against our interests, which should we adhere to?
当我们的原则和自身利益互相冲突时, 我们应该服从哪一方 呢 ?