Select the most appropriate meaning of the given idiom.

Work against the clock

work in great hurry

The most appropriate meaning of the given idiom "work against the clock" is >work in great hurry.<

It means to work as fast as possible because there is a deadline or time limit. The idiom is often used to describe someone who is working under pressure to finish something.

The other options are not correct.

• Work with concentration: This does not mean working in a great hurry.
• Work against all problems: This does not mean working in a great hurry.
• Work late in the night: This does not mean working in a great hurry.