One way or another.
无论如何。/不管做了什么。
A: It is taking forever to build this new subway.
建设这条新地铁需要很长一段时间。
B: They will complete it,
他们无论如何都会完成的。
What's the occasion?
今天是什么曰子?
A: That's a nice suit. What's the occasion?
衣服真漂亮,今天是什么曰子啊?
B: My best friend is getting married today.
今天我好朋友结婚。