I never manage to keep count of what I spend on my credit card.我从来都记不清信用卡的支出。I've bought so many books this year that I can hardly keep count of them.今年我买了很多很多书，连我自己也不知道到底有多少。She was trying to keep count of how many stations they'd passed.她在试着记下他们经过了多少个车站。