n. 容易, 轻松, 安适

Easiness \Eas"i*ness\, n.
1. The state or condition of being easy; freedom from
distress; rest.

2. Freedom from difficulty; ease; as, the easiness of a task.

3. Freedom from emotion; compliance; disposition to yield
without opposition; unconcernedness.

Give to him, and he shall but laugh at your
easiness. --South.

4. Freedom from effort, constraint, or formality; -- said of
style, manner, etc.

With painful care, but seeming easiness.
--Roscommon.

5. Freedom from jolting, jerking, or straining.