vt. 打, 使逆行, 胜过, 推敲, 鞭打

vi. 打谷, 痛打, 剧烈扭动, 逆行

n. 打谷, (划水)鞭状动作

Thrash \Thrash\, Thresh \Thresh\, v. t.
1. To practice thrashing grain or the like; to perform the
business of beating grain from straw; as, a man who
thrashes well.

2. Hence, to labor; to toil; also, to move violently.

I rather would be M[ae]vius, thrash for rhymes,
Like his, the scorn and scandal of the times.
--Dryden.


Thrash \Thrash\, Thresh \Thresh\, v. t. [imp. & p. p.
{Thrashed}; p. pr. & vb. n. {Thrashing}.] [OE.
[thorn]reschen, [thorn]reshen, to beat, AS. [thorn]erscan,
[thorn]rescan; akin to D. dorschen, OD. derschen, G.
dreschen, OHG. dreskan, Icel. [thorn]reskja, Sw. tr["o]ska,
Dan. t[ae]rske, Goth. [thorn]riskan, Lith. traszketi to
rattle, Russ. treskate to burst, crackle, tresk' a crash,
OSlav. troska a stroke of lighting. Cf. {Thresh}.]
1. To beat out grain from, as straw or husks; to beat the
straw or husk of (grain) with a flail; to beat off, as the
kernels of grain; as, to thrash wheat, rye, or oats; to
thrash over the old straw.

The wheat was reaped, thrashed, and winnowed by
machines. --H. Spencer.

2. To beat soundly, as with a stick or whip; to drub.