get through 度过
So, the only way you get through is by helping each other.
而要渡过难关的唯一方法就是互相帮助。
So why didn't climate-change legislation get through the senate?
因而，为何气候变化法案无法通过参议院这道关呢？

good luck 祝您好运; 大吉大利
They make their own good luck.
他们给自己创造了好运。
Good luck simplifying your next complicated decision.
祝你在下次复杂决定时幸运。