罢手

bù shì yàn chéng gōng wǒ men jué bù bà shǒu

不试验成功，我们决不罢手。

We will never give up until the experiment succeeds.

nǐ zěn néng bàn tú bà shǒu

你怎能半途罢手？

How can you stop halfway?

tā xiàn zài bà shǒu tài wǎn le

她现在罢手太晚了。

It’s too late for her to quit now.