当你做某件事情的时候，全力以赴，投入了百分百的努力，那么英语的表达就是 you give something one hundred percent.

例句

I am quite nervous about running the marathon, but on the day I'll give it one hundred percent.

I got a poor mark in my exam, but to be honest, I didn't give it one hundred percent when I was revising.

Simon is hilarious on the karaoke machine – he's a terrible singer but always gives it one hundred percent!

请注意

如果你身体健康状况很好，自我感觉很棒，那么你可以说 I feel one hundred percent.

I'm not coming to the pub tonight, I'm not feeling one hundred percent.