用刀切或直接咬都是不礼貌的。

It is rude to cut your bread or bite from it.

youdao

他用刀切了那个苹果。

He used the knife to cut the apple.

youdao

人们用刀切东西。

People use a knife to cut things.

youdao

你不用用刀切啊。

You don't need to use a knife.

youdao

他们用叉把肉定住，用刀把它切小，之后再用叉把肉放到嘴巴里。

They use fork to hold the meat and cut it by knife and use fork to help to get that piece of meat into mouse.

youdao

我们用刀子来切东西。

We use knives to cut things.

youdao

他用刀子切它。

He cut it with a knife.

youdao

工人用刀子切寿司卷。

Workers cut sushi rolls with a knife.

youdao

小心点用刀子，否则你会切着你自己。

Be careful with that knife, or you'llcut yourself.

youdao

小心点用刀子，否则你会切着你自己。

Be careful with that knife, or you'llcut yourself.

youdao