chief 最广泛用词，上可指最高统治者，下可指顶头上司，即可指任何一级的头头。
head 多指一个机构或团体等的负责人或最高首长。
leader 指国家、民族、政党、组织等的领导或领袖。强调领导能力、含有能够引导、指导、控制被领导者并获得其支持的意味。
boss 非正式用词，多作口语用，可指任何负责人，也可指经理、老板或工头。
参考例句
1. He headed us into a small separate room. 他领着我们走进了一个小单间儿。
2. You think these feet go with this head? 你认为这些脚和头是同一个人的？
3. Success is journeying from head to heart . 成功是从头脑到心灵的旅行。
英英解释
n.
1. the upper part of the human body or the front part of the body in animals; contains the face and bra
2. a single domestic animal
3. that which is responsible for one's thoughts and feelings; the seat of the faculty of reason
4. a person who is in charge
5. the front of a military formation or procession
6. the pressure exerted by a fluid
7. the top of something
8. the source of water from which a stream arises
9. (grammar) the word in a grammatical constituent that plays the same grammatical role as the whole co
10. the tip of an abscess (where the pus accumulates)
11. the length or height based on the size of a human or animal head
12. a dense clusters of flowers or foliage
13. the educator who has executive authority for a school
14. an individual person
15. a user of (usually soft) drugs
16. a natural elevation (especially a rocky one that juts out into the sea)
17. a rounded compact mass
18. the foam or froth that accumulates at the top when you pour an effervescent liquid into a container
19. the part in the front or nearest the viewer
20. a difficult juncture
21. forward movement
22. a V-shaped mark at one end of an arrow pointer
23. the subject matter at issue
24. a line of text serving to indicate what the passage below it is about
25. the rounded end of a bone that bits into a rounded cavity in another bone to form a joint
26. that part of a skeletal muscle that is away from the bone that it moves
27. (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patter
28. (usually plural) the obverse side of a coin that usually bears the representation of a person's head
29. the striking part of a tool
30. (nautical) a toilet on board a boat or ship
31. a projection out from one end
32. a membrane that is stretched taut over a drum
33. oral stimulation of the genitals v.
1. to go or travel towards
2. be in charge of
3. travel in front of; go in advance of others
4. be the first or leading member of (a group) and excel
5. direct the course; determine the direction of travelling
6. take its rise
7. be in the front of or on top of
8. form a head or come or grow to a head
9. remove the head of
网络释义
head 头部;
磁头;
弧头;
海德;
Head Office 总公司;
总部;
总行，总公司;
总行;
head coach 主教练;
总教练;
总教练。;
队职员名称。负责球队训练、比赛调度、指挥与指导、战术设计等等工作之队职员。;
