to shine with a light that is sometimes bright and sometimes weak

I felt a cold draft and the candle started to flicker. 我感到一阵冷风袭来，烛光开始摇曳起来。

to appear for a short time or to make a sudden movement

A smile flickered across her face. 她脸上掠过一丝微笑。

He'd been in a coma for weeks, when all of a sudden he flickered an eyelid. 他已经昏迷几个星期了，突然他的眼皮动了一下。

a situation in which a light is sometimes bright and sometimes weak

the soft flicker of candlelight 烛光的轻轻摇曳

a feeling or expression of an emotion or quality that does not last very long

There was a flicker of hope in his eyes. 他的眼中闪过一丝希望。