锋利fēng lì
sharp (e.g. knife blade), incisive阐述chǎn shù
to expound (a position)阵容zhèn róng
troop arrangement, battle formation附件fù jiàn
enclosure, attachment (email)陈述chén shù
an assertion, to declare, to state隐约yǐn yuē
vague, faint, indistinct随即suí jí
immediately, presently, following which难堪nán kān
hard to take, embarrassed难能可贵nán néng kě guì
rare and commendable, estimable