To flicker or glimmer; to appear intermittently or flutter faintly (like light, images).
古い照明のせいで画面がちらついて見づらい。
Because of the old lighting the screen flickers and is hard to see.
木漏れ日が風で葉っぱの間をちらつく。
Sunlight filters and flickers between the leaves in the breeze.
彼女の表情が時々ちらついて、本心が分かりにくい。
Her expression flickers now and then, making her true feelings hard to read.
To fall lightly or intermittently (snow, rain); to flurry.
外は雪がちらつき始めたから、暖かい服を着ていったほうがいいよ。
Snow has started to flurry outside, so you better wear warm clothes.
午後から小雨がちらつく予報だ。
There's a forecast for light, intermittent rain from the afternoon.