direct 指为某人指方向，但自己不一定亲自引路，也可表示指导一群人的事或活动。
conduct 正式用词，指引导某人去某处，强调亲自带领；也强调监督管理一群有共同目的或目标的人。
guide 普通用词，可与conduct换用，指引导者与被引导者双方彼此合作，共同努力的关系。
lead 指走在前面给某人引路或带路人共同去达到某一目标。用于抽象意义时，指在某项活动或运动中起主导和组织作用。
pilot 从原义“为飞机、轮船导航”借喻为指亲自带领某人去某处。
参考例句
1. The schoolmaster met us and led us round the campus. 校长接待了我们，带我们在校园里转了转。
2. This city puts me in the)lead. 这一个城市把我放入那）引线。
3. It could lead to infection and other problems. 否则可能会导致感染和其他问题。
英英解释
n.
1. a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily t
2. an advantage held by a competitor in a race
3. evidence pointing to a possible solution
4. a position of leadership (especially in the phrase `take the lead')
5. the angle between the direction a gun is aimed and the position of a moving target (correcting for t
6. the introductory section of a story
7. (sports) the score by which a team or individual is winning
8. an actor who plays a principal role
9. (baseball) the position taken by a base runner preparing to advance to the next base
10. an indication of potential opportunity
11. a news story of major importance
12. the timing of ignition relative to the position of the piston in an internal-combustion engine
13. restraint consisting of a rope (or light chain) used to restrain an animal
14. thin strip of metal used to separate lines of type in printing
15. mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
16. a jumper that consists of a short piece of wire
17. the playing of a card to start a trick in bridge v.
1. take somebody somewhere
2. have as a result or residue
3. tend to or result in
4. travel in front of; go in advance of others
5. cause to undertake a certain action
6. stretch out over a distance, space, time, or scope; run or extend between two points or beyond a cer
7. be in charge of
8. be ahead of others; be the first
9. be conducive to
10. lead, as in the performance of a composition
11. pass or spend
12. lead, extend, or afford access
13. move ahead (of others) in time or space
14. cause something to pass or lead somewhere
15. preside over
