kept count of

• v. 知道共有多少

kept count of的用法和样例：

例句

1. I have 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。
2. He kept count of the meteors till midnight.
   他数流星一直数到半夜。