flicker

US /ˈflɪk.ɚ/
UK /ˈflɪk.ɚ/
1.

閃爍

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

:
I felt a cold draft and the candle started to flicker.
1.

閃爍

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

:
the soft flicker of candlelight