flail

名词 flail:

1. an implement consisting of handle with a free swinging stick at the end; used in manual threshing

动词 flail:

1. give a thrashing to; beat hard
   同义词：thrash, thresh, lam
2. move like a flail; thresh about
   同义词：thresh

1. The baby's legs flailed under the quilt.
   小孩的两条小腿在被子下面乱动。
2. The dying lamb fell, its legs flailing (about) helplessly.
   小羊快要死了，倒在地上四条腿又踢又蹬。

flail

n.（名词）
A manual threshing device consisting of a long wooden handle or staff and a shorter, free-swinging stick attached to its end.
连枷：一种由一个长木柄或棒和一个安在柄端上稍短的能自由摇动的棍棒组成的手工脱粒用具
v.（动词）
flailed,flail.ing,flails
v.tr.（及物动词）
To beat or strike with or as if with a flail:
用连枷打或似用连枷打：
例句：
flailed our horses with the reins.
用缰绳拍打我们的马

To wave or swing vigorously; thrash:
用力地挥动或摆动；鞭打：
例句：
flailed my arms to get their attention.
挥动我的双臂以引起他们的注意

To thresh using a flail.
用连枷脱粒
v.intr.（不及物动词）
To move vigorously or erratically; thrash about:
用力或胡乱地移动；左右（或上下）摆动：
例句：
arms flailing helplessly in the water.
在水中无助乱摆的手臂

To strike or lash out violently:
猛烈地击打：
例句：
boxers flailing at each other in the ring.
在拳击场上互相猛击的拳手

To thresh grain.
脱粒

来源：
Middle English
中古英语
from Old English flegil
源自 古英语 flegil
and from Old French flaiel
并源自 古法语 flaiel
both from Late Latin flagellum [threshing tool]
都源自 后期拉丁语 flagellum [脱粒工具]
from Latin flagrum [whip]
源自 拉丁语 flagrum [鞭子]