against the clock

We were working **against the clock** to finish the project on time.

Idiom Time

Meaning

to do something as fast as possible because time is limited

We were working against the clock to finish the project on time.

an instrument used to indicate, keep, and co-ordinate time

In opposition to; contrary to; touching or resting on.

to successfully get a job

to survive financially in difficult times

an achievement to be proud of

to teach someone about a subject or skill

secretly; in a sneaky way

to avoid laughing in a funny situation