retighten
verb [ T ] (also re-tighten) uk/ˌriːˈtaɪ.tən/
重新拧紧
to make something tight again
When you remove the hot jars from the sterilizer, do not retighten their lids.
Make sure that the screws are thoroughly retightened. 确保螺丝已彻底拧紧。
重新严格执行;收紧（规则、系统或法律）
to make a rule, system, or law stronger again
In May, the Home Office retightened the policy and made the drug class B once again. 5月，英国内政部收紧政策，再次将该药列为B类（B类药物是指根据英国毒品法所规定的一类被控制的药物。这类药物被认为有较高的滥用风险和健康危害，但比A类药物的危害性低。）。
This new development has prompted the committee to decide that the rules may have to be re-tightened.
- More examples
- Loosen the buckle straps, pass one end around the grab handle, close the buckle, and re-tighten the straps.
- Check the posts are upright; if not, add wooden wedges and re-tighten the screws.
- Maintain the tightness of pan handles by checking and retightening them regularly.