a clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting)
live unhurriedly, irresponsibly, or freely
同义词：drift
coast in a vehicle using the freewheel
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。