as+원급+as+can be (as+원급+as anything)

「as 원급 as can be」 (더할 나위 없이 ~ 한, 너무도 ~ 한)
= as 원급 as anything

He is as happy as (happy) can be. 그는 더할 나위 없이 행복하다.
= He is as happy as anything.

I felt as pleased as can be. 나는 더할 나위 없이 (너무도) 기뻤다.
= I felt as pleased as anything.

He is as good a teacher as can be. 그는 교사로서 이상적이다.

What you do is as important as anything government does. 당신들이 하는 일은 정부가 하는 어느 일 못지않게 중요합니다.