twinkling
noun [ S ] old-fashioned uk/ˈtwɪŋ.kəl.ɪŋ/ /ˈtwɪŋ.klɪŋ/ us/ˈtwɪŋ.kəl.ɪŋ/ /ˈtwɪŋ.klɪŋ/
瞬间，霎时，转眼间
a very short time
I shall be there in a twinkling. 我眨眼就到。
Idiom
in the twinkling of an eyeidiom 转眼间；飞快地
If something happens in the twinkling of an eye, it happens very quickly.
Microprocessors do the calculations in the twinkling of an eye. 微处理器在瞬间即可完成计算。