•The most stringent laws in the world are useless unless there is the will to enforce them.除非能够坚持严格执法，否则即使是世界上最严苛的法律也毫无用处。

•We need to introduce more stringent security measures such as identity cards.我们需要采取更为严格的安全措施，例如发放识别证。

•Stringent safety regulations were introduced after the accident.事故之后制定了严格的安全规范。

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•Already low living standards have been worsened by stringent economic reforms.紧缩财政的经济改革使得原本就低落的生活水准雪上加霜。