He gives her regular instruction in mathematics.
他常定期教她数学。
We have not yet received instructions from the authorities.
我们还没有收到当局的指令。
We have received instructions to resume the work.
我们接到指示说要在继续工作。
We have received instructions that we (shall/should) meet twice a month.
我们接到指示说一个月至少要开两次会议。
She has given instructions for the books to be sent at once.
她已经下了指示要将这批书运走。