recognize意思是認識，認出，辨別出，承認，意識到，認可，接受，贊成。know意思是知道，了解，懂得，確信，肯定。recognize通常表達的意思是之前就知道，經(jīng)過一段間隔或別的原因后又重新認出來，屬于終止性動詞，而know是延續(xù)性動詞，指十分熟悉，很了解。比如：I know him but I didn't recognize him just now because he changed too much. 我認識他，但是剛剛我沒認出他，因為他變化太大了。