1. When both of them are adj. 容易: easy to do 简单: simple, uncomplicated Example: * 学中文很容易; * 中文很简单. 2. 容易 adv.: do something easily Example: * 这本书容易(adv.)看. * 这本书很简单(adj.) 3. 简单 n. briefness, simple. example: 她的风格是简单. her style is briefness.

“嘱咐” 强调try to let the receiver accept the information and follow the instruction. "告知" : inform only ,let the receiver receive the information only.

Thanks for Brad and Dorothy's answer. So it's terrible situation, so something I accept maybe better than it. so low standard.

This is one of the important Chinese language features: the some caractor has different meaning.So we can not answer your question when you ask me the meaning of one charactor. My answer is always as the same as the dictionary or give me a word or sentence this charector lie in. For example: 处(chǔ) V. 1. dwell:处所 2. be, be situation in:处境,地处城市中心,我们所处的状况 3. get along with:相处愉快 4. decide,deal with: 处理 5. punish the criminal or give punishment to a mistake or error:处罚,处决 6. stop or cease:处暑 处(chù): n. 1.place: 处所, 办事处, 代表处 2.part or point: 好处, 长处, 短处 3. department in government or company: 人事处(HR department)