weed
noun uk/wiːd/ us/wiːd/
(PLANT)
C2 [ C ]杂草;野草
any wild plant that grows in an unwanted place, especially in a garden or field where it prevents the cultivated plants from growing freely
[ U ] slang大麻，大麻制品
→ cannabis
[ U ] UK old-fashioned informal烟草，烟叶
→ tobacco
(PERSON)
[ C ] UK informal disapproving瘦弱的人；懦弱的人
someone who is thin and physically weak or who is weak in character
He looks like a real weed in those shorts. 他穿着那条短裤看起来真的很瘦弱。
weed
verb [ I or T ] uk/wiːd/ us/wiːd/
除草;为…除杂草
to remove wild plants from a place where they are not wanted
I've been weeding (the vegetable garden). 我一直在（菜园子里）除草。
Phrasal verb
weed something/someone out 清除;剔除;淘汰
to get rid of unwanted things or people from a group
The first round of interviews only really serves to weed out the very weakest of applicants. 第一轮面试实际上只是要淘汰那些实力最弱的申请者。