开始或涉足某事：指开始或涉足某项事业、职业或领域。
...exc... enter up记下... enter upon开始，着手... entitle to赋予…做（某事），拥...
... enter into force生效；实行；加入行列... enter upon开始；着手 enter up登记；记录，记下...
... enter into 进入；参预；开端处置 enter upon 开端，着手 be equivingcoholnt to 等于，相当于 ...
... turn down 关小,调低;拒绝 enter upon 起头,入手 adhere to 粘贴在…上;对峙 ...
开始；着手
institute / proceed / initiate / launch on / put in hand
Let's enter upon the question.
我们开始讨论这个问题吧。
I'll enter upon my new duties tomorrow.
我明天将就任新职。
The countries are about to enter upon their first trade agreement as a unit.
这些国家正准备作为一个小组开始讨论它们之间的第一个贸易协定。
A prudent man," he writes, "should always enter upon the paths beaten by great men and imitate those who have been most excellent, so that if his own virtue does not reach that far, " it at least is in the odor of it."
他写到：，“一位审慎的君子，应总是选择由伟人所开创的道路,并模仿那些,具有最优美德的人，如此一来若其自身的美德不及先人，至少仍能保有其风“
政治哲学导论课程节选 : 耶鲁公开课
The Lagan Valley MP proposed that the party should "reaffirm its commitment to re-enter the executive upon receiving a report from the International Disarmament Commission that the Provisional IRA have commenced credible and verifiable decommissioning of their illegal weapons and explosives, leading to complete disarmament within an agreed timetable".
WHO, can be counted upon to enter almost any health debate as a sharp-tongued sceptic.
ECONOMIST: A breakthrough moment in awareness of a terrible scourge
His jungle combat experience of treating wounded soldiers with scant medical supplies prompted him to enter the medical profession upon his return to France and his subsequent move to America, with Suzanne, in the 1950s.