Once a fever kicks in, people tend to take their temperature frequently.

一旦发烧，人们就会频繁地量体温。

You've brought it up with your coworker, who has promised to take him out more frequently, but it hasn't really happened.

你跟你的同事提过，他答应要多带它出去遛弯，但实际上他并没有这么做。

He's only 10. I worry about children taking such strong medicine so frequently.

他才10岁。我担心孩子们经常吃这么厉害的药。