tipping
n. 倾斜；倒垃圾
v. （使）倾斜；倾倒；轻触；给小费（tip的现在分词）
n. （Tipping）（美）蒂平（人名）
例句
Once I looked up "tipping" in a dictionary.
有一次我在字典里查了“tipping”这个词。
They are about to pass their tipping point.
他们马上就要超过临界点了。
Most of you probably think that you hate tipping, too.
你们大多数人可能也都讨厌给小费。
