tell/recognize/understand/know/realize区别
1.tell: to know sth, e or judge sth correctly
tell: 知道，看出，确切地判断...
交通英语怎么说>难忘今宵 I could tell (that) he was angry from his expression.
2. 1）recognize: know who sb is or what sth is when you e/hear it/them;
becau you have en/heard it/them before.
recognize:认识， 认出， 辨别出
I recognized her by her red hair.
批量修改图片名称
2）recognize: to admit to be aware that sth exists or is true
recognize: 承认，意识到
鱼贯上岸They recognized the need to take the problem riously.
3. understand: to know or realize how or why sth happens/works, how it
works or why it is important
品牌包有哪些牌子understand: 了解，认识到，明了
行书怎么练I could never understand why she was fired.
4.know: to realize, understand or be aware of sth
know: 认识到，懂得，意识到
I walked in the room I knew (that) something was wrong.
5.realize: to understand and become aware of a particular fact or
situation:
realize: 理解，领会，认识到，意识到...
I didn't realize (that) you were so unhappy.
The moment I saw her, I realized something was wrong.
know：知道、懂得、会做某事,没有realize了解得透彻、全面
realize：全面透彻地了解,语气比know强;
I walked in the room I knew (that) something was wrong.
相似三角形定理我刚进屋就意识到出了事
The moment I saw her, I realized something was wrong.
我一看到她，就觉得不太对劲。
recognize,认出”,表瞬间动作
know“认识蚕蛹的家常做法”,表持续动作
