清静的（quiet的最高级） 温和的 闲适的

a characterized by an absence or near absence of agitation or activity

a free of noise or uproar; or making little if any sound

s not showy or obtrusive

s in a softened tone

s (of a body of water) free from disturbance by heavy waves

a of the sun characterized by a low level of surface phenomena like sunspots e.g.