kasaiyawa, rashin iya abu. <> When something is unable to do something, it cannot do it; it is not able to do it.
It soon became clear that the much-feared MiG was unable to intercept the US military’s SR-71, [1] <> Ba da dadewa ba aka gano cewa kirar MiG da ake tsoro ba zai iya shawo kan jirgin yakin Amurka kirar SR-71, [2]
I am unable to climb that mountain because I am too weak.