惡少

young thug / malicious young ruffian

few / less / to lack / to be missing / to stop (doing sth) / seldom

young

used in 惡心|恶心[e3 xin1]

evil / fierce / vicious / ugly / coarse / to harm

to hate / to loathe / ashamed / to fear / to slander

city infested with foreign adventurers (esp. of Shanghai in pre-Liberation China) (idiom)