1580s, "to separate grains from wheat, etc., by beating," dialectal variant of threshen (see thresh). Sense of "beat (someone) with (or as if with) a flail" is first recorded 1620s. Meaning "to make wild movements like those of a flail or whip" is attested from 1846. Related: Thrashed; thrashing. As a noun from 1660s, "threshing tool;" 1840s as "a beating;" 1982 as the name for a type of fast heavy metal music.
例文
1. Harry always invited Charlie when he threw a thrash in his office.
ハリーはオフィスでパーティーを開くときにチャリを呼ぶことを忘れない。
2.Never mind the side issues，let 's get down to brass tacks and thrash out a basic agreement.
枝葉問題にかかわらず、問題の本質を議論して、基本的な一致を求めましょう。
3.Three shaggy-haired men thrash tunelessly at their guitars.
3人の髪の乱れた男が、調子もつけずにギターを弾いていた。
4.We have got a very urgent priorities problem to thrash out.
私たちには解決しなければならない非常に差し迫った優先権問題があります。
5.I 'm afraid you have to thrash out that question among yourselves.