dive in with both feet

and jump in with both feet

Fig. to become completely involved with something quickly, especially something new. I had never done anything like this before, but I just jumped in with both feet and learned it in no time.

Common Names:

Name	Pronounced	Usage
Ale (1)	AH-le	Finnish, Italian, Spanish
ValÉRian	-	French
Caldwell	[kɔ:ldwəl]
Lucius	LOO:-ki-uws (Ancient Roman), LOO-shəs (English), LOO-see-əs (English)	Ancient Roman, Biblical, English
Deiniol	-	Welsh
Omiros	-	Greek