[认识 / 認識, rèn shi, ㄖㄣˋ ㄕ˙]to know; to recognize; to be familiar with; acquainted with sth; knowledge; understanding; awareness; cognition#668[Add to Longdo]
[认定 / 認定, rèn dìng, ㄖㄣˋ ㄉㄧㄥˋ]to maintain (that sth is true); to determine (a fact); determination (of an amount); of the firm opinion; to believe firmly; to set one's mind on; to identify with#3360[Add to Longdo]