take on是高考英语核心词组，最基本的用法是take on your coat 穿上衣服，take on a job /responsibility 承担工作/责任。
The fashion of skirt didn't take on for some time.
2、表示承担，接受（尤指艰巨工作或重大责任）(you take on a job or responsibility,especially a difficult one,you accept it.),如：
No other organisation was able or willing to take on the job.
Don't take on more responsibilities than you can handle.
She takes on greater responsibilities when she is promoted.
The driver refused to take on more passengers.
He decided to take on the job.
3、表示呈现，显出(新面貌或新特点)(If something takes on a new appearance or quality,it develops that appearance or quality.)，如：
Don't take on so!
The whole city takes on a holidy appearance.
Her eyes took on a hurt expression.
Believing he had only a year to live,his writing took on a feverish intensity.
4、表示（公共汽车、船舶等）上（客），装（货），补充（燃料）(if a vehicle such as a bus or ship takes on passengers,goods,or fuel,it stops in order to allow them to get on or to bloaded on.)，如：
This is a brief stop to take on passengers and water.
5、表示雇佣，录用(If you take someone on,you employ them to do a job.),如：
He's spoken to a publishing firm.They're going to take him on...
The party has been taking on staff,including temporary organisers.
6、表示与（尤指实力比自己强的人）较量；接受...的挑战（If you take someone on,you fight them or compete against them,especially when they are bigger or more powerful than you are.）,如：
Democrats were reluctant to take on a president whose popularity ratings were historically high...
I knew I couldn't take him on.
Will you take me on for a game of chess?
He is going to take on a new job next week. (2015年6月六级)
结构分析：He是主语，is going to take on是谓语，a new job是宾语，next week是时间状语。
I am glad to tell you that we are going to take you on.
结构分析：I是主语，am glad是谓语（系动词am+表语glad，构成系表型谓语）， to tell you that we are going to take you on是不定式词组作宾语（to+谓语tell+间接宾语you+that引导的直接宾语从句，we是主语，are going to take是谓语，you是宾语，on是宾语补语）。