short不是，没有

I ain't got no time for that.
我没时间搞那个。
If it ain't broke, don't fix it.
如果没坏，就别修它。
She ain't no quitter, she'll keep trying.
她不是那种轻易放弃的人，她会继续努力的。
It ain't over till the fat lady sings.
直到最后关头才知道结果。（意指比赛或事件在最终时刻前都可能有转机）
You ain't seen nothing yet.
你还没见过更厉害的呢。
He ain't heavy, he's my brother.
他不重，他是我兄弟。（比喻对亲人朋友的无条件支持与爱护）
There ain't no such thing as a free lunch.
天下没有免费的午餐。
I ain't afraid of no ghosts.
我才不怕鬼呢。
That car ain't cheap, it's a luxury model.
那辆车不便宜，是豪华款。
It ain't about how hard you hit, it's about how hard you can get hit and keep moving forward.
重要的不是你能打得多狠，而是你能承受多大的打击并继续前进。