pat/pæt/

adv 适当地；恰好地；立即

• The answer came pat. 答案脱口而出。

词组have ... (down 或off) pat 对…了如指掌；对…熟悉得可随口说出(或随手导出)；运用自如

• have the poem (off) pat 对这首诗熟悉得可以脱口而出

stand pat 坚持不变，坚守

• stand pat on one's political stand 坚持自己的政治立场