骐骥过隙 is an idiom

骐骥过隙qí jì guò xì

形容时间过得飞快。

Origin 《庄子·知北游》“人生天地之间，若白驹之过卻，忽然而已。”

Word breakdown for “骐骥过隙”: Open in Reader →

(literary) black horse

1.thoroughbred horse2.refined and virtuous

surname Guo

过過HSK 1

1.to cross2.to go over3.to pass (time)4.to celebrate (a holiday)+4 more +5 more

(experienced action marker)

1.crack2.crevice3.gap or interval4.loophole+2 more +3 more