HSK 7–9 · adverb · Practice
一概
without exception; all; categorically
这些旧书我一概不卖。
Zhèxiē jiù shū wǒ yígài bú mài。
I won't sell any of these old books.
每个孩子都不同，不能一概而论。
Měi gè háizi dōu bù tóng， bù néng yígàiérlùn。
Every child is different; you can't treat them all the same.