509 on hand,on all hands和on one's hands
① on hand表示“手边(有),在手头上,在跟前”。
Always have your dictionary on hand when you study. 学习时手边总是要有一本词典。
Soon school will be over and vacation will be on hand. 学校不久就要放假,假期快要到了。
② on all hands表示“四面八方”。
The news was spread on all hands. 这个消息在到处传播。
③ on one's hands表示“由……负责,由……承担”。
She has an invalid husband on her hands. 她有生病的丈夫要她照顾。
The revision of the book is on my hands. 这本书的修订由我负责。