请问approach的用法?approach意思是接近,开始处理的意思,如何情况下才能使用呢?可否给些例子,非常感谢!

approach(vi/vt)
1.走近；靠近
We approached the museum.
我们走近博物馆.
2.（首次）接洽
Did he approach you about a loan?
他与你谈了借款的事了吗?
3.开始考虑；开始着手
He approached the idea with caution.
他开始认真地考虑那个主意.
4.接近,近似
approaching 5 million
接近500万
It is not allowed to approach the forbidden area.
这里是禁区不许接近.
The time is approaching when we must be on board.
我们上船的时间快到了.
approach(n)
1.走近； 靠近
the approach of summer
夏天将至
The approach of winter brings cold weather.
冬天快到了,天气要转冷了.
2.途径；通路
All approaches were blocked.
所有道路都堵塞了.
3.接近；打交道
making approaches to strangers
和陌生人打交道
4.方法；步骤
present a new approach
提出一个新的方法

作动词时,approach用法有:
1. (在时间或空间上)接近,靠近sb.or sth.
The time is approaching for the good chance of buying a house.
2. (在性质或特点上)接近.
Few writers even begin to approach Shakespeare's greatness....

overhit his approach.
击到他无法接近的地方
the approach of night.
夜幕降临
approach a problem from different angles
由不同的角度研究一个问题
an affirmative approach to the problem
正面解决问题