It's hard to keep track of the children's comings and goings.

这些孩子来来往往，很难跟得上他们的行踪。

With eleven thousand employees, it's very difficult to keep track of them all.

有11000名员工，很难了解他们所有人的动向。

Freckle just makes you want to keep track of your time.

Freckle 只是确保你可以记录自己的时间。

Keep track of your efforts and write down how you feel.

记录下你的努力，写下你的感受。

This uber bucket would also need to keep track and learn from the choices you make.

这个超级木桶还需要记录并且从您做的选择中学习。