enter on/upon

• 开始； 着手

enter on/upon的用法和样例：

例句

1. They have entered on their new duties.
   他们已开始担任新职。
2. I find his books begin to pall on me after a while.
   我发觉他的书读过一阵子就开始对我失去吸引力。
3. He embarked on a new enterprise.
   他着手创办新企业。
4. Do you know how to set about going on this work?
   你知道怎样着手进行这项工作吗？