例句：
She had worked as a call centre operator making cold calls for time-share vacations.
她曾经在一个呼叫中心担任话务员，为分时度假打推销电话。
Cold hands, warm heart:
外表冷漠心肠热
例句：
She has cold hands, but a warm heart. She's a very caring person.
她的手冰冷，但心却温暖。她是一个很有爱心的人。
Cold comfort:
无用的安慰
例句：
That's cold comfort to anyone looking for a job right now.
对于目前正在找工作的人来说，这是一个无用的安慰。
Do a number:
伤害
例句：
My ex-wife really did a number on me.
我的前妻的的确确伤害了我。
