課本中不會教你的[O]509　on hand，on all hands和on one's hands

509　on hand，on all hands和on one's hands

① on hand表示“手邊（有），在手頭上，在跟前”。

Always have your dictionary on hand when you study. 學習時手邊總是要有一本詞典。

Soon school will be over and vacation will be on hand. 學校不久就要放假，假期快要到了。

② on all hands表示“四面八方”。

The news was spread on all hands. 這個消息在到處傳播。

③ on one's hands表示“由……負責，由……承擔”。

She has an invalid husband on her hands. 她有生病的丈夫要她照顧。

The revision of the book is on my hands. 這本書的修訂由我負責。