区别辨析 lark about/around, horse about/around, ramp about/around 与 romp about/around
(1) lark about/around意为“闹腾，乱吵”，可指吵吵闹闹地玩耍，也可指行为上不够规矩。其中，about, around均为副词。
区别辨析 lack, want 与 need
(1) ①lack可用作及物动词和不及物动词。作为不及物动词，现在仅用to be lacking in形式，意为“缺乏(某种品质、特点等)，不够……”。
区别辨析 known as, known by 与 known for
known as, known by 与 known for 这三个短语常与be, become连用作表语。
区别辨析 know, know of, know about, know from, be known to 与 knowing to
(1) know指直接地知道，know of是间接地知道，指听人说过，从书报等看到过。
区别辨析 kind of 与 sort of
kind of 与 sort of 这两个短语常用在非正式文体中，表示“有些”，“有几分”(近似于rather, somewhat)，使说话的语气不那么肯定，其后可接名词、动词、动名词、形容词等。
区别辨析 kind, sort, class, description, nature, manner 与 type
②kind既可置于介词of前，也可置于其后, 如：this kind of bikes, a bike of this kind，apples of several kinds, several kinds of apples等。
区别辨析 kill, assassinate 与 murder
(1) kill是“杀死”，可用于人、动物或植物。
区别辨析 keep one’s bed, keep one’s/the house, take to one’s bed, be laid up, be confined to bed, be (ill) in bed (with a disease), be down (with a disease), come down (with a disease) 与 go down (with a disease)
(1) keep one’s bed, take to one’s bed都是指“卧病在床”；take to one’s bed还可用于因年老体衰而卧床不起。
区别辨析 just, just now, a moment ago, a few moments ago 与 a short time ago
(3) a moment ago, a few moments ago, a short time ago均作“刚才”解，与过去时连用。
区别辨析 jump the green light, jump a stop light, pass through the red light, run the red light, go through the red light 与 drive through a red light
jump the green light, jump a stop light, pass through the red light, run the red light, go through the red light 与 drive through a red light 这些短语都是“闯红灯”的意思。
区别辨析 join, combine, connect, associate, link 与 unite
join, combine, connect, associate, link 与 unite 这些词都有“连接”、“联合”的意思。
区别辨析 job, work, position, situation, place 与 vocation
(6) vocation 可指一个人受到昭示且适于做的社会或宗教性工作，或称天职、天命、神召；也指行业、职业。
