1. 严厉的，严格的，苛刻的
2. 迫切的，紧急的，紧迫的；严重的；特别的
3. 银根紧的， 短缺的， 缺乏的，紧缩的
4. 令人信服的，有说服力的
5. 严密的，精确的

1. demanding strict attention to rules and procedures;

   "rigorous discipline"
   "tight security"
   "stringent safety measures"
   

1.(法律、规则、条件)严格的，严厉的，受严格约束的
stringent laws, rules, or conditions are very severe or are strictly controlled.

e.g. He announced that there would be morestringent controls on the possession of weapons...
他宣布将对武器的持有实行更严格的控制。
e.g. Its drugtesting procedures are the moststringent in the world.
其药物检测程序是世界上最严格的。

1. 严厉的：stressful 有压力的 |stringent 严厉的 | stylish 时髦的

2.

2. 严格的：10. doleful 无聊的 | 11.stringent 严格的 | 12. efficient 高效的

3. 严格的 精确的：迫切 stringency | 严格的 精确的stringent | 焊蚕 stringer bead

4. 严格的,严厉的：String 细绳,袋子;连成一串,排成一行 |stringent 严格的,严厉的 | Stroke 冲程,行程

• The need for stringent economy.

  出自：H. Green

• Defrosting frozen food is one of the most stringent tests of a microwave oven's performance.

  出自：Which?

• Rigid labor laws were enforced and even more stringent ones were to follow.

  出自：S. Rosenberg