work against the clock

to work very fast because you know you only have a limited period of time to do something Scientists were working against the clock to collect specimens before the volcano erupted again.

Common Names:

Name	Pronounced	Usage
Daniyyel	-	Biblical Hebrew
Katka	KAHT-kah	Czech, Slovak
Elina	E-lee-nah (Finnish), e-LEE-nah (Swedish)	Finnish, Swedish
Charon	-	Greek Mythology
Kolby	KOL-bee	English (Modern)
Parisa	-	Persian