Tightens
v. 收紧( tighten的第三人称单数 ); （使）变紧; （使）绷紧; 加紧
🗣️ 情景例句
Perhaps they'll show up. In the meantime,
也许他们会露面。在这等待期间
I'm feeling under the weather.
我觉得不舒服。
Do you know what they are?
你知道他们是干什么的吗？