I was faint with hunger.

我饿得头晕眼花。

the faint memory / light

模糊的记忆/微弱的光

a faint smell of perfume

淡淡的香水味

There's still a faint hope that they might be alive.

仍有一线希望，他们也许还活着。

a faint hope / chance

很小的希望/机会

Many people in the crowd fainted in the heat.

人群里有许多人热得晕了过去。