a.  镇静的；沉着的

a.  风平浪静的

v.  使平静；使镇静

n.  平静的时期；宁静的状态

n.  泰然自若

• calmness  n. 冷静，镇静；平静

• calming  a. 使人镇静的

• calm down （使）平静，镇静，安静

• the calm before the storm 

  暴风雨（或大动荡、激烈辩论）前的平静

• But unlike the modern definition of Epicureanism as a life of indulgence (放纵) and luxury, for the ancient Greeks, it meant finding a state of calm, peace and mental ease. 找寻一种平静、放松的状态

• I do not think that we spend nearly enough time trying to concentrate on achieving a sort of calmness, a sort of contentment in a mental and spiritual way, which was identified by these people as the highest form of happiness and pleasure.

  达到一种冷静、一种精神上的满足感

• The scientists suggest this may be an attempt to calm humans down.

  使人类冷静下来的尝试

• Schools and prisons with craft programs report that they have a calming effect and enhance social skills. 有镇静作用

• It is important to keep calm in an emergency.

  情况紧急的时候，保持镇静是重要的。

• Have some tea; it'll calm your nerves.

  喝点茶吧，这会使你紧张的神经松弛下来。

• The police appealed for calm.

  警察要求大家保持安静。

• Her previous calm gave way to terror.

  她先前的泰然自若已变为惊恐。