weed
noun
verb
wiːd noun
1 a wild plant growing where it is not wanted that prevents crops or garden flowers from growing properly 野草，杂草，莠草 C
the constant battle against weeds
对付杂草的长期斗争
2 a plant without flowers that grows on water in a large green floating mass 海藻，水草; U
3 someone who is weak [英，非正式] 懦弱的人; 孱弱的人 C | BrE informal
Nigel’s such a weed, isn’t he?
奈杰尔真懦弱，是不是啊？
4
like weeds
in large numbers 大量地〔像杂草一样〕
Cars clogged the roads like weeds.
众多的车辆堵住了道路。
5
the weed
cigarettes or tobacco [非正式] 香烟; 烟草 informal
6 CANNABIS [过时] 大麻 U | old-fashioned
7
(widow’s) weeds
black clothes worn by a woman whose husband has died [旧] 〔寡妇穿的黑色〕丧服 old use
verb
8 to remove unwanted plants from a garden or other place （给…）除去杂草
9 to get rid of people or things that are not very good 淘汰〔不合格的人或物〕
The research will help governments to weed out ineffective aid schemes.
这项研究将会帮助政府废除无效的援助计划。