In some schools, it is a rule that mobile phones are strictly forbidden, and if students break the rule, they will be punished.

有些学校规定严禁使用手机，如果违反该规则，学生就会受到惩罚。

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Smoking is strictly forbidden.

严禁吸烟。

《牛津词典》

Photography is strictly forbidden in the museum.

博物馆内严禁摄影。

《牛津词典》

Any mention of the Holodomor was strictly forbidden in the USSR.

VOA: standard.2010.03.17

We are strictly forbidden from landing on Champion because its wildlife is so vulnerable.

BBC: NEWS | Science & Environment | Darwin 200: The Galapagos Islands

Dogs are considered unclean by conservative Muslims, and any depiction of the prophet is strictly forbidden.

CNN: Artist defiantly draws Prophet Mohammed

Under European Union rules, direct subsidies to companies are strictly forbidden, but industry subsidies are treated more lightly.

ECONOMIST: Junked? | The