recognize/'rekəgnaɪz/

v. know and remember sb/sth because you have seen them before

v. [T] 认出；认识：He's changed a lot — I hardly recognized him. 他变了好多，我几乎认不出他了。

构词re- + cogn（知道）+ -ize

用法英式英语还可写作recognise。

辨析know; recognize