Definition (數字)
To be unable to remember the number of times something has occurred.
不記得數目；記不清次數
I've lost count of how many times she's been late this month.
我已經記不清她這個月遲到多少次了。
I've lost count of the number of patients I've seen with spinal injuries from motorcycle accidents.
我已經記不清我看過多少因為摩托車事故而脊椎受傷的病人了。
There have been so many bottles washed up on the beach, I'm losing count.
海灘上沖上來太多瓶子了，我都數不清了。