我是说一旦开始的事就必须坚持到底！

I must insist you finish what you have started!

youdao

我们必须坚持到底，永不放弃。

We must stay the course and never give in.

youdao

现在他们都把火力对准了我，我必须坚持到底。

Now they were coming after me, and I had to hang on.

youdao

你必须坚持到底！

You must stick to it!

youdao

你必须坚持到底！

You must stick on it!

youdao

要在这个世界上获得成功，就必须坚持到底；剑至死都不能离手。

To succeed in this world, we must stick to it; Sword to death can off hand.

youdao

要在这个世界上获得成功，就必须坚持到底；剑至死都不能离手。

To succeed in this world, we must stick to it; Sword to death can off hand.

youdao