n (1)野(杂)草(unwanted wild plant)[C]：get rid of/pull(out)/root up/remove the～s 除草; The yard is overgrown with/full of～s. 这个院子里长了许多野草。The～s run riot in the field. 田地里杂草丛生。The gardener is pulling up the～s in the flowerbeds. 园丁正在拔除花坛中的杂草。poisonous～s 毒草;

(2)水草(unwanted wild plant or green floating mass that grows in water)[U]：The lake is full of～. 湖里长满了水草。green pond～角果藻;

(3)瘦弱(懦弱)的人(persons who are thin and physically weak or have a weak character)[C](infml)(derog)： She is such a～. 她是这么一个纤弱的人。Don't be such a～! 别这么懦弱!

(4)烟草，香烟(tobacco or cigarettes)[U，通常the～](infml)(joc)： I could hardly give up the～. 我难以把烟戒掉。the fragrant～烟草;〖同〗tobacco，cigarette;

→′weedy adj 多杂草的;瘦弱的;′weed-killer n 除草(莠)剂;

v除杂草(get rid of weeds)[I，T+n]：She's been busy～ing in the garden/the fields all the morning. 早上她一直在花园/地里忙着除草。～the corn/the onion/the garden 除去玉米地/洋葱地/花园里的杂草;～the grass out of/from the garden 除去花园中的杂草;〖同〗remove，rid，root，uproot，separate，eliminate，eradicate;

weed out (v adv) 除去，淘汰 (vt)：～out the unsuitable candidates/the incompetent staff/the unqualified applicants/the inexperienced players 淘汰不适宜的候选人/不胜任的工作人员/不合格的申请人/没有经验的运动员;The gardener is～ing out the weakest saplings. 园丁正在拔去最差的树苗。The veterinarian is～ing out the herd. 兽医正在淘汰最差的牲畜。