to be very keen, enthusiastic, eager

Английский Язык - Английский Язык

Определение to be very keen, enthusiastic, eager в Английский Язык Английский Язык словарь

keen as mustard

He was keen as mustard to begin the new job, until he learned what it really entailed.

Расстановка переносов

to be ve·ry keen, enthusiastic, ea·ger