what makes (someone) tick
if you know what makes someone tick, you understand the reasons for their behaviour and personality.
A good salesperson knows what makes a customer tick.
英语词组固定搭配大全包含18674条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。