詞匯解析：
1. 教學,講授;教育[U][(+in)]
She gives instruction in mathematics.
她講授數(shù)學。
2. 教誨;教導(dǎo)[U]
3. 命令,指示[P1][+to-v][+(that)]
They had carried out my instructions to the letter.
他們嚴格地按我的指示把事辦了。
4. 用法說明;操作指南[P]
I read the instructions on the bottle.
我讀了瓶子上的用法說明。