be going great guns

To do something enthusiastically and successfully. He was hesitant at first, but now that he's been on the job for a month, he's going great guns.

to be doing something very successfully and quickly I know he had a little difficulty at the start of the course but he's going great guns now.

Name	Pronounced	Usage
Ramachandra	-	Hinduism, Indian, Kannada, Telugu
VÖLundr	-	Norse Mythology
Kapil	-	Indian, Hindi, Marathi
Elizaveta	ye-lee-zah-VYE-tah, ee-lee-zah-VYE-tah	Russian
Else	EL-se (Danish, Norwegian), EL-sə (German, Dutch)	Danish, Norwegian, German, Dutch
Bean	[bi:n]