Ifm
abbr. inform 通知，告知，报告
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
It takes courage to do so.
这样做需要勇气。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，