Tightens
v. 收紧( tighten的第三人称单数 ); （使）变紧; （使）绷紧; 加紧
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
May I have a receipt?
我可以要一张收据吗？
I'm calling about mistake on our last invoice.
我打电话来，是因为上回的发票有错。