fell
verb uk/fel/ us/fel/
(FALL)
（fall 的过去式）
past simple of fall
(CUT DOWN)
[ T ]砍伐，砍倒（树木）
to cut down a tree
A great number of trees were felled to provide space for grazing. 大量树木被砍伐，为放牧提供场地。
[ T ]（尤指体育运动中）击倒（某人）
to knock someone down, especially in sports
He eventually felled his opponent with a punch to the head. 他最后以头部的一记重拳击倒了对手。
fell
noun [ C ] UK uk/fel/ us/fel/
（尤指英格兰西北部的）山岗，高地
a hill or other area of high land, especially in northwest England
fell
adjective uk/fel/ us/fel/
(EVIL)
literary or old use邪恶的;残暴的
evil or cruel
(HILL)
[ before noun ] UK和丘陵（或小山）有关的
relating to fells (= hills)
We went fell walking last weekend. 我们上周末去山野漫步。
Idiom
at/in one fell swoopidiom 一举，一下子
If you do something at/in one fell swoop, you do it all at the same time.
I got all my Christmas shopping done in one fell swoop. 我一次就把圣诞节需要的所有物品都买齐了。