take it easy: 放松
"Just take it easy," David said. "You'll feel better presently."
“放松点,”戴维说,“你很快就会觉得更舒服些。”
hear from: 接到信
The police are anxious to hear from anyone who may know her.
警方急切地希望任何可能认识她的人打电话来。
Drop us a line, it's always great to hear from you.
给我们写封短信,能收到你的信总是让人很高兴。
lose track of: 失去...的线索
It's so easy to lose track of who's playing who and when.
很容易就忘记谁要和谁比赛,什么时候比。
His mind would wander, and he would lose track of what he was doing.
他会走神,忘了自己正在干什么。
n. 计算器,计算者,柜台
[计算机] 计数器