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
Ravi	RAH-vee (Hinduism)	Hinduism, Indian, Hindi, Marathi, Bengali, Odia, Gujarati, Telugu, Tamil, Kannada, Nepali
ValdÍS	-	Ancient Scandinavian, Icelandic
Sterling	['stə:liŋ]
Liz	LIZ	English
Sanjeet	-	Indian, Hindi
Rahim	rah-HEE:M	Arabic