"令人窒息"这个短语可以用英文表示为"suffocating"或者"stifpng"。

例句:

The air in the room was suffocating, so I had to open a window. (房间里的空气很窒息,所以我必须打开一扇窗。)

The stifpng heat made it hard to breathe. (闷热令人窒息。)

希望这能帮到你!