short-lived
adjective uk/ˌʃɔːtˈlɪvd/ us/ˌʃɔːrtˈlɪvd/ /ˌʃɔːrtˈlaɪvd/
短暂的;短命的
If a feeling or experience is short-lived, it only lasts for a short time.
I had a few relationships at college, most of which were fairly short-lived. 我在大学时谈过几次恋爱，但大多都十分短暂。
Synonyms: brief (SHORT IN TIME)ephemeralevanescent fleetingfugitive (TEMPORARY) momentarypassing transient transitory