Semiformal
a. 半正式的
🗣️ 情景例句
Does he know you're here?
他知道你在这 吗？
To hiss
咻咻地叫
You'd better hurry and buy a ticket then. It'll be very popular.
那你最好赶紧买张票吧！他的音乐会是很受欢迎的。