become 最普通用词，作为连系动词，指从一个状态向另一个状态的变化。
get 常指某人或某物有意无意地获得引起变化的因素，结果使变成另一状态。
grow 常指逐渐地变成新状态，强调渐变的过程。
turn 侧重指变得与原来截然不同，有时含贬义。
go 作为连系动词，通常与形容词连用，指进入某种状态，从而发生变化，多指不好的状态。
come 侧重变化的经过或过程，多用于不良情况。
参考例句
1. He turned the handle of the door and went into the classroom. 他旋动门把手，走进教室。
2. The others turn and see the dog. 其他人转回头，也看见了大狗。
3. Sure. Turn left at the next crossing. 当然。下一个十字路口向左转。
英英解释
n.
1. a circular segment of a curve
2. the act of changing or reversing the direction of the course
3. (game) the activity of doing something in an agreed succession
4. an unforeseen development
5. a movement in a new direction
6. the act of turning away or in the opposite direction
7. turning or twisting around (in place)
8. a time for working (after which you will be relieved by someone else)
9. (sports) a period of play during which one team is on the offensive
10. a short theatrical performance that is part of a longer program
11. a favor for someone
12. taking a short walk out and back v.
1. change orientation or direction, also in the abstract sense
2. undergo a change or development
3. undergo a transformation or a change of position or action
4. cause to move around or rotate
5. pass into a condition gradually, take on a specific property or attribute; become
6. to send or let go
7. pass to the other side of
8. move around an axis or a center
9. cause to move around a center so as to show another side of
10. change to the contrary
11. to break and turn over earth especially with a plow
12. change color
13. cause to change or turn into something different;assume new characteristics
14. let (something) fall or spill a container
15. twist suddenly so as to sprain
16. shape by rotating on a lathe or cutting device or a wheel
17. go sour or spoil
18. accomplish by rotating
19. get by buying and selling
20. cause to move along an axis or into a new direction
21. channel one's attention, interest, thought, or attention toward or away from something
22. cause (a plastic object) to assume a crooked or angular form
23. alter the functioning or setting of
24. direct at someone
25. have recourse to or make an appeal or request for help or information to
26. become officially one year older
