n (1)碰(触)一下(act of striking lightly;a light blow)[C]：give the child a～轻轻碰一下那个孩子;

(2)小费 (small present of money given in return for a service)[C]：give the doorman/the waiter/the garbage man a～给看门人/服务员/倒垃圾的工人小费;leave a～under one's plate 把小费留在盘子下面;

(3) 1)主意，劝告，提示(useful information;a helpful hint)[C]：a handy～一个很方便的提示;give sb some～s about/on gardening/the care of sb's new car 给某人一些关于园艺/维护新车方面的主意;～s on how to remove stains/get ink out of shirts 如何去掉污渍/衬衫上的墨水的一些办法; 2)内部情报(inside information)[C]：receive a hot～for the afternoon's race/the Derby 接到有关下午比赛/赛马会的内部情报;take sb's～采纳某人的建议;〖同〗hint，suggestion，clue，advice;

→′tip-off n 暗示或警告;

vt (1)轻(碰)触(hit slightly)[T+n，T+n+prep，T+n+adv]：～a ball 轻轻碰球;～a ball into the net/over the net/with sb's tennis racket 将球碰到网里/轻轻地击球过网/用网球拍轻轻击球;

(2)给……小费(give a tip to sb for a service)[T+n]：～the waiter/the porter/the driver/the doorman 50p for being polite 因殷勤礼貌给服务员/搬运工/司机/看门人50便士小费;

(3)暗示，告诫(give a helpful hint;say sb or sth is going to win)[T+n，C+n+as，C+n+adj，C+n+to-inf尤pass]：～the winner 预测获胜者;～sb as the president's successor/the next President 示意某人将成为总统继承人/会当选下一任总统;～Mr Smith successful 预测史密斯先生会成功;～the No. 1 horse to win the race 透露了1号马能赢的消息;～sb the wink 私下警告;

tip sb off (v adv)给某人警告或暗示(vt)：The police were～ped off that there was going to be an attack on the National Bank that morning. 警察听到风声说那天早晨将有人袭击国家银行。

【用法】tip 当“给……小费”讲时，在给的钱数前不加介词，如：I tipped the waiter a shilling.(我给了服务员一先令的小费。) tip 当“指点，告诫”讲时，要用介词for，如：Several people have been tipped for the vacant post.(好几个人被告知有空位。)