Daily life

lose track of time

become unaware of time passing

To stop noticing how much time has passed because you are busy or interested in something.

B1 very common mostly spoken

expression

Hear it in real life

Why didn't you call me back?

Sorry, I lost track of time at the library.

Play the conversation

I often lose track of time when I am reading in a quiet café.

The mistake everyone makes

Not: I lost track ‸ time while reading.

Say: I lost track of time while reading.

The phrase requires “of” between “track” and “time”; do not leave out this fixed link.

Build it

How it fits in a sentence.

lose track of time; lost track of time

Your turn: say it out loud

I often lose track of time when I am reading in a quiet café.

Say it out loud two or three times, until it feels like yours.

lose track of time

become unaware of time passing

“I often lose track of time when I am reading in a quiet café.”

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