用法:
1 travel, usu downhill, by riding a bicycle without pedalling or driving a car without using engine power （自行车或汽车）滑行.

用法:
2 move or act freely or irresponsibly 自由地、 不须负责地活动或行动:
I think I'll just free-wheel this summer and see what happens. 我打算今年夏天尽情放任一下再说.

• run at sb
• runaway
• run away (from sb/...)
• run-down 1
• rune
• rung 1
• runic
• run-in
• run into sb
• runnel
• runner
• runner bean (also string bean)
• runner-up
• running 1
• running-board
• running commentary
• running mate
• running repairs
• running stitch
• running total
• runny
• run-off
• run-of-the-mill
• run on
• run out