Tightens
v. 收緊( tighten的第三人稱單數 ); （使）變緊; （使）繃緊; 加緊
??? 情景例句
Yes. This is Richard Stewart.
是的。我是Richard Stewart。
Adversity makes a man wise, not rich.
患難使人聰明，但不能致富。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，醫生。他似乎病得很厲害。你肯定不是什么大病？