无保安通行证不得入内。

There is no admittance without a security pass.

《牛津词典》

未经允许，任何人不得入内。

Nobody can come in without permission.

youdao

没有父母带领，儿童不得入内。

Children are not permitted in without their parents.

youdao

言外之意，穷人与狗不得入内！

This means "No entry for the poor and the dog".

youdao

除非你是会员，否则不得入内。

You can't go in unless you are a member.

youdao

病人和探访者都不得入内。

No patient and no visitor is admitted.

youdao

甚至医院的工作人员未经许可也不得入内。

Even hospital staffers were not permitted to enter.

youdao

抱歉！这儿是保密部门，未经允许任何人不得入内！

Regret! Here keeps secret the department, in without allows anybody not to enter!

youdao

抱歉！这儿是保密部门，未经允许任何人不得入内！

Regret! Here keeps secret the department, in without allows anybody not to enter!

youdao