enter upon的意思
1. 开始,着手：enter into 进入;参加;开始从事 | enter upon 开始,着手 | equip with 装备,配备
2. 开始：enter up 登记 | enter upon 开始 | Enter 输入
3. 开始着手做某事：The teacher enters him for the examination. 老师帮他报名参加了比赛. | enter upon 开始着手做某事 | The president has just entered upon another term of office. 总统刚刚开始另一个任期.
1. The treaty is a vital step towards a new global UN deal to be agreed upon in 2015 and to enter into force from 2020.
2. You wait a few minutes, and then take it upon yourself to enter the empty aircraft.
3. enter upon
3. It also invites guests to enter a lottery upon entering the pavilion.
4. Many people may feel their lives intruded upon when people enter public places with their guide dogs.
verb
1. take possession of
e.g. She entered upon the estate of her rich relatives