in a split second

to blink; in an instant; in the twinkle of an eye

see 剎那|刹那[cha4 na4]

(onom.) falling rain; chilly air; cold wind

in a split second

in a flash

(astronomy) pulsar

in a blink; in a twinkling

(onom.) falling rain; chilly air; cold wind

a short time; a little while