tip
单词辨析：
指付给专业人员的服务费， 也可指为加入某组织或做某事而支付的费用。
doctor's/lawyer's fees
医生诊费/律师费
membership fee
会费
He was looking for a part-time job in order to pay his school fees next semester.
为了交下一学期的学费，他在找兼职。
指商家对欲购买其商品或服务的买者收取的费用。
The seller will send the goods to your house for an extra charge.
卖家会送货上门，但是要收取一笔额外费用。
Gas charges won't change until the end of this year.
今年年底之前煤气费不会发生变化。
指为购买商品、完成某事或生产产品而支付的款项。
The total cost of this picnic was about 200 yuan.
这次野餐的全部费用大约200元。
He insisted that he pay for the cost of the taxi.
他坚持由他来付打车的钱。
指乘坐火车、汽车、飞机等交通工具的费用。
He has no money to pay his air fare to London.
他没钱买去伦敦的机票。
Children under 14 travel at half fare.
14岁以下儿童票价减半。
指消费者为购买某种商品或服务而需要支付的钱。
retail prices
零售价
The price of a coat in that mall is almost half my monthly salary.
那个商场里一件大衣的价格几乎是我每月工资的一半。
指额外付给餐厅侍者等服务人员的小额服务费。
The waiter received a big tip.
那名服务生得到了一大笔小费。
Is it customary in the United States to leave a tip for every meal?
在美国有每餐之后都给小费的习俗吗？
相关例句：
The north pole is slightly tipped towards the sun.
北极略微向太阳倾斜。
I gave the barber a tip
我给了理发师小费。
He leaned away from her, and she had to tip her head back to see him
他倾着身子避开她，她不得不把头向后歪着看他。
Tip the vegetables into a bowl
把蔬菜倒进碗里。
How do you stop people tipping?
你怎样阻止人们乱倒垃圾呢？
The Head Porter was keeping all the tips.
行李员领班扣留了所有人的小费。