defend *oneself / explain

be crazy about / be carried away / be engrossed in / be absorbed in / being carried away / be fascinated / being caught up / be caught up / being fascinated

treasure / valuables / treasured article

book of a new design / uncommon book / unusual book

rare book

trench tunnelling

in a cozy manner / in a tiny manner / snugly / compactly

compact / become small and neat

unusual flavor / unusual taste / rare flavor

rare food / delicacy / unusual food