fly-by-night
n. 逃债者；无信誉者
adj. 不可信任的；暂时的
近义词：shady，slippery，unscrupulous，dubious，unreliable，shifty，questionable，untrustworthy，cowboy，undependable，crooked，
英英释义
Noun
- a debtor who flees to avoid paying
Adjective
- (of businesses and businessmen) unscrupulous;
"a shady operation"
- ephemeral;
"the symphony is no fly-by-night venture"
例句
用作形容词(adj.)
- Temporary silence was broken by a new clerk sitting in the corner.角落里坐着的新职员打破了暂时的安静。
- The prosperity called by them is just a temporal phenomenon.他们所谓的繁荣只是一个暂时的现象。