来自拉丁语 stringere, 拉紧， 绑紧， 压缩， 来自 PIE*strenk, 紧的， 拉紧， 绑紧， 词源同 strict,string,strong.引申词义严格的，严厉的，紧缩的等。

1. stringent air quality regulations

严格的空气质量管理条例

2. Financiers are calling for a relaxation of these stringent measures.

金融家呼吁对这些严厉的措施予以放宽.

3. The Act imposes more stringent regulations on atmospheric pollution.

法案对大气污染作出更为严格的规定.

4. Some of the conditions in the contract are too stringent.

合同中有几项条件太苛刻.

5. Already low living standards have been worsened by stringent economic reforms.

严谨的经济改革使本已很低的生活水平愈加恶化.