Before-hand
事先；预先
🧩 词语组成解析
before
[bɪ'fɔr]
prep. 在…之前;先于，优于;当着…的面;与其…;
conj. 在…之前;在…以前;比…早些;与其…;
adv. 先前，从前;在前，在前方;
be构成一些介词+fore前面→在前面
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
🗣️ 情景例句
Sure. It's 6225-9438.
好的。是6225-9438。
I get up before six o'clock every day.
每天我六点前起床。
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，