The sun is like a fireball.

太阳就【像】一个火球。

like【形容词】像

You don't have to do it again, Everything is really fine.

你没必须重新做一遍，每个东西都【完全】是好的。

really【副词】真正地

This car factory makes many, many cars every year.

这个汽车【工厂】每年都制造许多许多的小汽车。

factory【名词】工厂

I do my homework after dinner every day.

我每天正餐（晚餐）之后都做我的作业。

after【介词】在……之后