Tā kàn xiǎoshuō kàn de rùshén, lián fàn dōu wàngle chī.
She got so absorbed in the novel that she forgot to eat.
Tips
grammar
Often used as a complement after V得: 看得入神 ('watching with rapt attention'), 听得入神 ('listening, completely absorbed'). The 得 construction means 'V to the point of being entranced'.
