Stress results when something causes your body to act as if it were being attacked.

VOA: special.2009.03.24

Act for them, to them. Don't act as if they are just some bunch of Philistines out there who can't appreciate your art.

为他们表演，想他们表演，不要把它们当做俗气的人,所以不能欣赏你们的艺术。

耶鲁公开课 - 1945年后的美国小说课程节选

They act as if they will succeed when they know they will fail.

VOA: special.2010.01.10

They act as if they are giving us charity,she says. So really it is not easy.

VOA: standard.2009.08.27

"You are provoking the gods and you act as if there will be no consequence."

VOA: standard.2010.04.08