Vfr
abbr. [航]目视飞行规则（visual flight rules）
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
If it's not too much trouble, I would like some help.
如果你不嫌麻烦的话，我想请你帮个忙。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。