in-,进入，使，-struct,建造，建设，词源同structure,destruct.引申词义教导，训练，指示，吩咐等。词义演变比较inform.

1. We should instruct the passengers what customs regulations are.

我们应该向乘客说明海关规则是什么.

2. Compare tell, order, instruct , direct, command.

试比较tell 、 order、instruct 、 direct 、 command这五个词.

3. Instruct means giving practicalinformation or knowledge, especially to groups of trainees ( eg soldiers or nurses )

instruct指传授实践知识, 特别是针对集体受训者 ( 如士兵或护士 )

4. You can instruct your bank to allow a third party to remove money from your account.

你可以通知银行，允许第三方从你的账户取款。

5. She came on every ride herself, the better to instruct her eager pupils.

每一个骑乘项目她都要亲自试一试，以便更好地指导她那些跃跃欲试的小学生。