to know, be aware of / to learn, acquire, / to be acquainted with, to know (someone) / (colloquial, in the negative) to care in the least about, to be concerned with,

arm / ability / talent

(anatomy) arm / ability; skill; talent

arm

stem or continuative form of 知る (shiru) [godan]

Alternative spelling of 物知り: a person with broad knowledge, a knowledgeable person

long / lengthy

strong point / (music) major / chief, head, leader

a surname

chief, head, leader