一句话的英文

"They are holding that man down, and squeezing him out"

是最地道的说法

They marginalize and repress that person。

They all expel and suppress that guy.

直译：They suppress and shoulder out that man.
or: 意译（根据我的理解)
They expel that man.
That man is expelled by them.

Their exclusion and suppression of that person.
他们排挤和压制那个人.

Their exclusion and suppression of that person.