0 to make something become tighter, firmer, or less easy to move:
1 to make a rule, system, or law stronger and more difficult to avoid or ignore:
Are there any plans to tighten up on advertising controls?
中文繁体
使變緊，使緊固, 使（規則、制度、法律）更嚴格…
More中文简体
使变紧，使紧固, 使（规则、制度、法律）更严格…
MorePolski
dokręcać coś, napinać coś, zaostrzyć ( coś )…
MoreTürk dili
iyice sıkıştırmak, sıkılaştırmak, etkinleştirmek…
Moreрусский язык
затягивать, закручивать, делать что-либо строже…
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