divide sth. by sth. ……除以……
divide sth. into 将……分成
do a good deed 做好事
do away with 废除
do damage to 损害
do good/harm to sb./sth. 对……有好处(坏处)
do not give in an inch 一寸不让
do research on/in/about/into sth. 研究……
do sb. a favour 帮某人一个忙
do sb. good/harm 对某人有好处(坏处)
do sb. the favour to do/of doing 帮某人忙做……
do sth. alone 自己、靠自己
do sth. at the right time 在合适的时候做某事
do sth. by hand 手工制作(常用被动)
do sth. by turns 轮流做……、依次做……
do sth. deep/far into the night 熬夜
do sth. for fun 做……为了取乐
do sth. in good faith 诚实地……
do sth. on purpose 有目的地做
do up ①系上、扣上 ②收拾整理
do with 处理
double one's output 使(产量等)成倍增长
