switch
n. 开关 ；改变, 转变
vt. & vi. 转变, 改变
vt. 转换
辨析：水或煤气龙头的开、关用turn on,tuen of;电器的开、关用turn on,tuen of或者switch on,switch off都可以。
1.Where is the light switch?
电灯开关在哪儿?
2.We had to make a switch in our arrangements.
我们不得不对我们的安排作些变动。
3.The train was switching.
火车正在换道。
4.He is always switching jobs.
他总是变换工作。
teenager
n. 青少年
1.He is managing a club for teenagers.
他在经营一家青少年俱乐部。
2.Does the teenager have to pay the adult fare?
青少年是否也与成人同样票价？
3.He teenager banged up the car of his mother.
这个孩子弄坏了她妈妈的车子。
tendency
n. 倾向, 趋势
搭配：unhealthy tendencies 不正之风
have a tendency to...有...的倾向
1.He has a tendency to forget things.
他有忘事的倾向。
2.Boy have a stronger tendency to fight than girls.
男孩子比女孩子好打架。
3.Can you predict the future development tendency of table tennis ?
你能预测一下乒乓球未来的发展态势么？
transfer
vt. & vi. 转移; 迁移
vt. 转让
n. 转移; 转让; 转录
1.The company has transferred to an eastern location.
这家公司已搬到东部某地。
2.The manager arranged for his transfer to another football club.
经理安排他转会到另一个足球俱乐部。
3.All the wounded soldiers transfer to a special hospital.
所有伤员都将转到一个特别的医院治疗。
4.He put in for a transfer to another position.
他申请调职。
