I'm ready to throw in the towel. (我认输了。)

这是你(应尽)的责任。

It's your duty (to do that). *duty “(法律、道德上的)义务，应尽的责任”。

It's up to you to do that. (这是你应该做的。)

It's your responsibility. (这是你分内的工作。)

要善待他人。

Be good to others.

Do unto others as you would have done to you.*正式的说法。

You should treat others kindly.

Do unto others.

你要再三小心。

You can't be too careful. *直译“再小心也不为过”。

You can't be too careful. (你要再三小心。)

That's true. (那是当然。)

It's best to be as safe as possible.

(It's) better safe than sorry. (保得安全总比后悔好。)

三思而后行。

Make up your mind after thinking it over carefully. *make up one's mind 常用词组，表示decide(下决心)。带有“仔细考虑之后再下决定”的语感。

Make your decision after you give it a lot of thought.

Think it over carefully before you decide.

我全靠你了。

I'm counting on you. *这句表示“我全仗你了，你好好干”。

I'm relying on you.

你终究会明白的。

You'll see.

I don't think she's mean. (我没觉得她有什么恶意。)

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