permit
/pəˈmɪt; pɚ`mɪt/ v
(-tt-) (fml 文)
1 [Tn, Tg, Dn.n, Dn.t]
give permission for (sth); allow 允许, 许可, 容许（某事物）
Dogs are not permitted in the building. 不得携狗进入楼内.
We do not permit smoking in the office. 在我们的办公室里不准吸烟.
The prisoners were permitted two hours' exercise a day. 允许犯人每天有两小时户外活动.
Permit me to explain. 容我解释一下.
The council will not permit you to build here. 委员会不会允许你们在这一带搞建筑.
2 [I, Tn, Cn.t]
make (sth) possible 使（某事物）有可能性
I'll come tomorrow, weather permitting, ie if the weather doesn't prevent me. 要是天气许可, 我明天一定来.
The new road system permits the free flow of traffic at all times. 新的道路系统可使车辆在任何时候都畅通无阻.
The windows permit light and air to enter. 这些窗户采光及通风性能良好. 3[Ipr no passive 不用於被动语态]
(esp in negative sentences尤用於否定句) ~ of sth admit sth as possible; tolerate 认可; 容忍
The situation does not permit of any delay. 情势刻不容缓.
permit / ˈpɜ:mɪt; `pəmɪt/ n official document that gives sb the right to do sth, esp to go somewhere 许可证; （尤指）通行证
You cannot enter a military base without a permit. 无通行证者不得擅入军事基地.