count on (someone)
to expect someone to help you when you need them.
I'm counting on you to tell me everything they say.
Usage notes: sometimes used to show that you expect a problem:
You can always count on Michael to screw things up.
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。