The plans are popular with customers, who like having careful control over the amount they spend on the phone.

While doing your experiment, you should try to keep everything under careful control.

Keep careful control of your blood sugar if you have diabetes.

The Empire has kept a careful control on science and progress down the centuries.

From the table, I grabbed the remote control, careful not to press the black button.

I kept very careful control over myself and said, "No.

Father Michael asked, keeping his voice under careful control.

"Don't know," he said with careful control that was clearly covering his concern.

"A board usually wants to have clear and careful control of who is living in their building," she said.

Then his careful control slipped back into place and the moment was lost.