These words all describe people who are good at learning, understanding and thinking about things, and the actions that show this ability. 以上各词均形容人有才智、悟性强、聪明。

• intelligent good at learning, understanding and thinking in a logical way about things; showing this ability 指有才智的、悟性强的、聪明的：◆He's a highly intelligent man. 他是一个很有才智的人。◆She asked a lot of intelligent questions. 她问了许多机智的问题。
• smart (especially NAmE) quick at learning and understanding things; showing the ability to make good business or personal decisions 指聪明的、机敏的、精明的：◆She's smarter than her brother. 她比她哥哥聪明。◆That was a smart career move. 那是个人事业发展上的明智之举。
• clever (sometimes disapproving, especially BrE) quick at learning and understanding things; showing this ability 指聪明的、聪颖的：◆How clever of you to work it out! 你解决了这个问题真是太聪明了。◆He's too clever by half, if you ask me. 恕我直言，他未免聪明过头了。 NOTE People use clever in the phrase Clever boy/girl! to tell a young child that they have learnt or done sth well. When used to or about an adult clever can be disapproving. * clever 用于短语 Clever boy/girl!（多么聪颖的男孩/女孩！）表示孩子学习悟性强、做事聪明伶俐。clever 用于成年人可能含贬义。
• brilliant extremely intelligent or skilful 指聪颖的、技艺高的：◆He's a brilliant young scientist. 他是一个才华横溢的青年科学家。
• bright intelligent; quick to learn 指聪明的、悟性强的：◆She's probably the brightest student in the class. 她大概是班里最聪明的学生。 NOTE Bright is used especially to talk about young people. Common collocations of bright include girl, boy, kid, student, pupil. * bright 主要用于年轻人，常与之搭配的词有 girl、boy、kid、student、pupil 等。

Patterns

• clever/brilliant at sth
• a(n) intelligent/smart/clever/brilliant/bright child/boy/girl/man/woman
• a(n) intelligent/smart/clever/brilliant thing to do