一时 + 的 + Noun
一时 can function as a noun phrase meaning "a short period of time" or "for the moment." It indicates that something is temporary or occurs briefly. For example, 一时的冲动 means "a momentary impulse."
他一时的冲动,辞掉了工作。
Tā yìshí de chōngdòng, cídiào le gōngzuò.
He quit his job on a momentary impulse.
别因为一时的困难就放弃。
Bié yīnwèi yìshí de kùnnan jiù fàngqì.
Don't give up because of temporary difficulties.
那只是一时的情绪,过几天就好了。
Nà zhǐshì yìshí de qíngxù, guò jǐ tiān jiù hǎo le.
It's just a passing mood; it'll be fine in a few days.