Fdi
abbr. 飞行方向指示器（Flight Direction Indicator ）；世界牙科联合会（Federation Dentaire Internationale）
🗣️ 情景例句
If you cheat in a test, you've really only cheating yourself.
如果你在测验中作弊的话，你欺骗的只有你自己。
The fox smells his own stink first.
狐狸的臭味道，自己先嗅到。
That might be in your favor.
那可能对你有利。