He is, as it were, a bookworm.

他宛如是个书呆子。

youdao

In a word, she is a bookworm.

总之，她是个书虫。

youdao

Roger: Yes, I am a bookworm.

罗杰：是的，我是个书虫。

youdao

She turns a reluctant child into a bookworm.

BBC: Enid Blyton

The stories were written, so to speak, in front of a mirror, by a man hoping to drown the tiny, shivering thrills of the chronic bookworm with the low snarl of a more universal emotion, that of dread.

NEWYORKER: Fright Nights

The bookworm, however, is about to become a butterfly: LinkedIn, a B2B social network, is going public at what promises to be a huge valuation.

FORBES: With LinkedIn IPO, B2B Marketing Gets The Spotlight