惯性滑行；惯性滑行的，随心所欲的；轻快地行动，凭惯性前进( freewheel的现在分词 )；

1. freewheeling

1. 惯性滑行：freewheeler 可滑行的车辆 | freewheeling 惯性滑行 | freewill 任意的

2. 自由轮传动/单向转动：freewheel /自由飞轮/轻松快活地行动/凭惯性前进/ | freewheeling /自由轮传动/单向转动/ | freewill /自由意志的/任意的/自愿的/

3. 自由轮传动：freewheel 自由飞轮 | freewheeling 自由轮传动 | freewheeling 单向转动

4. 单向转动：freewheeling 自由轮传动 | freewheeling 单向转动 | freewillunbidden 自愿的

1. cheerfully irresponsible

    e.g. carefree with his money
           freewheeling urban youths
           had a harum-scarum youth

    Synonym: carefreedevil-may-carehappy-go-luckyharum-scarumslaphappy

2. free of restraints or rules

    e.g. freewheeling foolishness
           the versatility of his poetic freewheeling style