thrash

詞意辨析：

beat, strike, hit, thrash, whip

這些動詞均含有“打”之意。
beat: 普通用詞，含義廣泛，指連續打擊。遊戲、競賽或戰爭中作打敗解。
strike: 普通用詞，多指急速或突然一次猛擊。
hit: 普通用詞，常與strike換用，側重有目標的猛擊，強調用力擊中。
thrash: 側重指用棍子或鞭子等痛打。
whip: 多指用鞭子抽打。thrash

詞型變化：

名詞:thrasher 動詞過去式:thrashed 過去分詞:thrashed 現在分詞:thrashing 第三人稱單數:thrashes 英文字典

英文解釋：

名詞 thrash:

1. a swimming kick used while treading water

動詞 thrash:

1. give a thrashing to; beat hard
   同義詞：thresh, lam, flail
2. move or stir about violently
   同義詞：convulse, thresh, thresh about, thrash about, slash, toss, jactitate
3. dance the slam dance
   同義詞：slam dance, slam, mosh
4. beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all
5. move data into and out of core rather than performing useful computation
6. beat the seeds out of a grain
   同義詞：thresh
7. beat thoroughly and conclusively in a competition or fight
   同義詞：cream, bat, clobber, drub, lick

例句：

1. The child was soundly thrashed.
   這個孩子被痛打了一頓。
2. Let's thrash the matter over before putting it on the agenda.
   我們先把這件事仔細研究一下，再把它列入議事日程。
3. As he swam, he thrashed the water with his hand.
   他游泳時用手拍打水。