effortless
	英 ['efətlɪs]
美['ɛfɚtləs]
	    
    英英释意
	
	- 1. requiring or apparently requiring no effort;
- "the swallows glided in an effortless way through the busy air"
- 2. not showing effort or strain;
- "a difficult feat performed with casual mastery"
- "careless grace"