expression
with imperfections; damaged; flawed
Used for secondhand items, products, or situations that have some defect or flaw. Often appears in listings or descriptions of used goods.
この中古品は難ありですが、まだ使えます。
This secondhand item has some imperfections, but it's still usable.
難あり商品は通常より安く販売されています。
Flawed products are sold cheaper than usual.
難点 is a noun meaning 'defect' or 'drawback', while 難あり is an expression describing something as having a flaw.
傷あり specifically refers to scratches or physical damage, whereas 難あり can cover any kind of imperfection.
Compound of 難 (nan, 'difficulty' or 'flaw') and あり (ari, 'exists'). Literally 'there is a flaw'.