If you say that something is transitory, you mean that it lasts only for a short time.
例句
Most teenage romances are transitory.絕大多數(shù)十幾歲少年的戀情都轉(zhuǎn)瞬即逝。…a sad reminder of the transitory nature of political success.不由得令人悲哀地想到政治成功曇花一現(xiàn)的本質(zhì)
英漢詞典釋義
adj.
短暫的,轉(zhuǎn)瞬即逝的
In the final analysis,most of life’s joys are transitory.歸根結(jié)底,塵世間的歡樂(lè)大多是過(guò)眼煙云,轉(zhuǎn)瞬即逝。
英英詞典釋義
Adjective
1. enduring a very short time;
"the ephemeral joys of childhood""a passing fancy""youth's transient beauty""love is transitory but at is eternal""fugacious blossoms"