следить за ходом времени('How long I pondered, I cannot say. When the bean is tensely occupied, it is difficult to keep tab on the passage of time, (P.G. Wodehouse)ART Vancouver)
следить(за кем-либо или чем-либо – on something or someone: If you are careful to keep tabs on your finances, you should be able to stay within a budget. • Once you buy a stock, you need to keep tabs on it. • I get the feeling he's keeping tabs on me and watching my every move. • The police kept close tabs on him during the holidays.Val_Ships)
