tip/ tɪp /

1.noun [of branch] [ paintbrush etc] 
顶端

2.noun
(protective on umbrella,walking stick) 尖端

3.noun
(to waiter etc) 小费

4.noun [BRIT] 
(for rubbish) 弃置场

5.noun [BRIT] 
(for coal) 堆

6.noun
(advice) 提示

7.vt.[+waiter] 
给…小费

8.vt.
(pour) 倒出

9.vt.
(also: tip over) (overturn) 翻转

10.vt.[+winner etc] 
(predict) 猜测

11.vt.[+object] [ part of body] 
(tilt) 倾斜

12.vi.[object] [ part of body+] 
(also: tip over) 倾斜

the tip of the iceberg
 [fig] 冰山一角