adv
7
have sth off pat have sth down pat
; have sth down pat AmE [美] to know something thoroughly so that you can say it, perform it etc immediately without thinking about it 对某事滚瓜烂熟,对某事熟悉得可随口说出 (随即表演等 ); BrE AmE
8
stand pat
to refuse to change your opinion or decision [美] 坚持自己的意见 (决定 ) AmE