Cut the lettuce and cut it up.

切生菜并把它切碎。

Next, cut up an onion.

接下来，切一个洋葱。

He should cut his hair.

他应该剪头发。

They cut down the trees.

他们砍倒了树木。

I cut myself by accident.

我不小心割伤了自己。

You've cut your knee too.

你的膝盖也割伤了。

You use an axe to cut wood.

你用斧头砍木头。

Next, cut up some tomatoes.

接下来，切一些西红柿。

Cut out ten things you know.

剪出你知道的十样东西。

Then, cut up the vegetables.

然后，把蔬菜切碎。