/hɑ:f; US hæf ||; hæf/det noun[C] (plural halves /hɑ:vz; US hævz ||; hævz/) one of two equal parts of sth 一半: three and a half kilos of potatoes 三公斤半马铃薯Two halves make a whole. 两个半个合起来成为一个。half an hour 半小时an hour and a half 一个半小时The second half of the book is more exciting. 这本书的后半部份比较精彩。Giggs scored in the first half (= of a match). 吉格斯在上半场进了一球。Half of this money is yours. 这笔钱有一半是你的。Half the people in the office leave at 5. 办公室里有一半人在5点下班。 ☞verb halve 动词为halve break, cut, etc sth in half to break, etc sth into two parts 把某物分割成两半 do nothing/not do anything by halves to do whatever you do completely and properly 做任何事都力求彻底 go half and half/go halves with sb (Brit 英) to share the cost of sth with sb 跟某人均摊费用