drive up 抬高
drop by 顺便走访，非正式访问
drop off 睡着;(让…)下车
drop on 训斥，惩罚
drop out 退出，退学;掉落
drop over 顺便来访
dry up (使)干涸
due to 由于;应归于
in due course 在适当的时候
do duty for 当…用，起作用
do one's duty 尽职，尽本分
off duty 下班
on duty 值班;上班
dwell on 细想;详细讲述
each other[互相(多用作宾语)
be all ears 全神贯注地倾听着
give ear to 听，倾听
give one's ears 不惜任何代价(要)
early or late 迟早
keep early hours 早睡早起
earn one's living 谋生
on earth 在世界上;究竟，到底
