[rèn shi]
（认得； 相识） be familiar with; be aware of; know; understand; comprehend; recognize
know sb.
认识某人
know and change [transform] the objective world
认识和改造客观世界
see one's mistake; realize one's mistake
认识自己的错误
I don't know him.
我不认识他。
[哲] （头脑对客观世界的反映） understanding; knowledge; cognition
perceptual knowledge
感性认识
rational knowledge
理性认识
the objective laws of cognition
认识的客观规律
the deepening movement of cognition
认识的深化运动
Knowledge originates in practice.
认识来源于实践。