teach: applies to any manner of imparting information OR skill so that others may learn: ~ them how to ski.


instruct: sug. methodical or formal teaching: ~ the new recruits in calisethenics at the boot camp.


educate: implies an attempt to bring out AND develop latent capabilities: ~ students so that they are prepared for the future.


train: stresses instructing and drilling with a specific end in view: ~ foreign pilots to operate the new aircraft.


descipline: implies a subordinating to a master OR subjection to control: ~ herself to exercise daily.


school: implies training or disciplining esp. in what is hard to master or bear: ~ myself not to flinch at the sight of blood.


teach教传授: 任何传授知识技巧, instruct指导: 正式的有步骤(methodical)的传授, educate教育: 挖掘并发展潜力,train: 强调目的明确的指导训练，discipline训练: 表示服从和受控， school也是训练: 用于难掌握或难承受。


记忆方法: 1）首字母联想，TT DEI S==>Tong Tong DEI Shi: 统统得试<==为了教授，各种方法  

         2）培训train，强调指导和训练drill: to fix as a habit through repetition，参考2017-08-05 练习practice-drill。

         3）教授的意思是使获得知识技巧mean to cause to acquire knowledge or skill.