问个词组的意思

take on
（1）To undertake or begin to handle:
从事，开始对付：
took on extra responsibilities.
担负了额外的责任
（2）To hire; engage:
雇；雇佣：
took on more workers during the harvest.
在收获期间雇了更多的工人
（3）To oppose in competition:
对抗：在竞争中迎击：
a wrestler who took on all comers.
一个接受所有新手挑战的摔跤运动员
（4）Informal To display violent or passionate emotion:
【非正式用语】 激动，大惊小怪：表现出猛烈的或激动的情感：
Don't take on so!
别这样大吵大闹！
（5）To acquire (an appearance, for example) as or as if one's own:
摆架子，假装：获得（比如，相貌）作为自己的或使它象是自己的：
Over the years he has taken on the look of a banker.
这些年来他摆出了一副银行家的派头

take on从事于