Undound
a. 不健全的
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。