喝红茶是费时间的，所以你要耐心点

Drinking black tea is consuming, so you should be patient.
红茶是black tea，不是red tea

Drinking brown tea takes time, so you have to be patient.

红茶不是red tea吧?

It is a waste of time to drink black tea , so you should be patient.

用得是形式主语的形式。请楼主放心使用 呵呵

enjoying red tea need time, so you should take pains

black tea takes time, so you have to be patient.

It takes some time to drink black tea,so you should be patient.