There was a strict rule against turning round until one gave the signal, when all turned at once.

有一条严格的规定，在一个人发出信号，所有人一起转身之前，所有的人都不得转身。

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The Postal Service has a strict rule stating that items sent through the post must not be more than 1 meter long.

邮电业有严格规定：通过邮局寄送的物件，不能超过一米长。

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Rivers can differ in size and there is no strict rule on how big a flow of water must be to be called as a river.

河流的流域会有不同，对于有多大的流量才能被称为河流没有严格的规定。

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STEPHENS-MEDLEY: I have a boy so it's easy, but like you've said, gory is in and I have a strict rule.

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