in a faint

• adv. 昏过去

in a faint的用法和样例：

例句

1. He slumped to the floor in a faint.
   他砰一声昏倒在地板上。
2. I saw him suddenly change colour, but before I could reach him he had slipped off his chair on to the floor in a faint.
   我看到他突然脸色变白，急忙得去扶他，他已一阵昏晕，从椅上跌倒在地板上。