抄一张21世纪大英汉词典的解释给你看看：
push [pu?]
vt.
1. (用力)推；(尤指)用力推进；推动：
He pushed me,and I fell into the water.他推了我一下，我便掉到水里去了。
2. 挤，驱；推行；驱使：
Mother tried to push her daughter's worries from her mind.妈妈力图排遣她女儿心头的烦恼。
3. 促进；促成；催促：
He pushed her into making a decision.他催促她做出决定。
4. 逼迫，催逼：
be pushed for time感到时间紧迫
5. 扩展；扩大；增加：
The frontier was pushed westward.边疆向西扩展。
6. 提携；推销：
The company are pushing their new product.这家公司正在推销他们的新产品。
7. 突出，伸出：
He pushed out his lower lip.他努出他的下嘴唇。
8. 生根；发芽：
The plants push their roots deep into the soil.植物深深地扎根于土中。
9. 在年龄或数目上接近于：
The old man was pushing eighty-five.老人快85岁了。
10. [美国英语]棒球、高尔夫球推棒触击；轻推球；从右手把(球)向右侧击去；从左手把(球)向左侧击去
11. 挤出路前进：
The policeman pushed his way through the crowd.警察从人群中挤了过去。
12. [俚语]非法销售：
be jailed for pushing heroin因私售海洛因而坐牢
13. [美国俚语]把(新的东西)插入(预定的项目之中)
vi.
1. 推；按：
Don't push against me! 别推我!
2. 推进；努力前进：
She pushed past me.她从我身边挤了过去。
3. 推行运动；极力活动：
Unions pushed for higher wages.工会极力争取提高工资。
4. 突出，伸出：
to push up through the mulch从覆盖层里破土而出
5. 被推：
The door pushed open.门被推开了。
6. 延伸：
A road pushes toward the mountains.一条路延伸到群山之中。
7. 扩展；增加：
Corn acreage pushed into first place.玉米的种植面积居于首位。
8. 向前划桨：
to push down a stream划桨顺流而下
9. (尤指为超过别人或为成功而)奋力，尽力：
They are pushing hard to improve their strategic nuclear capabilities.他们正全力以赴增强他们的战略核力量。
10. (产妇)屏息收肌以助婴儿产出
11. 牌戏故意叫高牌使对方不得不叫更高的牌
12. [俚语]贩毒