adj. 不幸的,悲惨的;不快乐的;不恰当的;不凑巧的;
💡 un不,没有+happy快乐→不快乐的
"She had managed to exorcize these unhappy memories from her mind."
她终于把这些不愉快的记忆从头脑中抹掉了。
近义:luckless, malcontent, mirthless, miserable, mournful, sad
反义:jammy, lucky, privileged, successful, happy
n. 工作, 运转, 劳动\\na. 工作的, 劳动的, 经营的, 抽搐的, 运转的
近义:march, operation, performance, running, behavior, actuating