placid

形容词 placid:

1. (of a body of water) free from disturbance by heavy waves
   同义词：quiet, still, tranquil, smooth, unruffled
2. not easily irritated
   同义词：equable, even-tempered, good-tempered
3. living without undue worry; taking life easy
   同义词：easygoing, calm

1. Immediately after, he becomes engaged to a friend of Elizabeth's, the placid, unimaginative Charlotte Lucas.
   紧接着他就和伊丽莎白的女友夏绿蒂·卢卡斯订了婚，她性情温和而头脑缺乏想象力。
2. His normally placid dog turned on him and bit him in the leg.
   他那条狗平日很温顺，这次突然发作咬了他的腿。
3. The child had a placid disposition.
   这个孩子性情温和。

plac.id

adj.（形容词）
Undisturbed by tumult or disorder; calm or quiet.See Synonyms at calm
平和的，宁静的：不被吵嚷或打扰的；平静的或安宁的参见 calm
Satisfied; complacent.
满意的；满足的

来源：
Latin placidus
拉丁语 placidus
from placôre [to please] * see pl3k-
源自 placôre [请] *参见 pl3k-

【引伸】
placid.ity
plac.idly
adv.（副词）