go back on one's word
爽───Cool;信───letter
Let it cool off before you eat it.───冷一下再吃.
Last year he netted a cool 3 million pounds by selling his holdings.───去年他通过出售自己持有的股份获得了整整300万英镑的净收入。
Anne had remained unruffled, very cool and controlled.───安妮处乱不惊，十分冷静沉着。
I felt a current of cool air.───我感觉到一阵凉风。
Let the tea brew and cool a little before you drink it.───让茶泡一会,凉一下再喝.
Save your breath to cool your porridge.───不要白费口舌了.
Skim the scum off the jam and let it cool.───撇去果酱上的浮沫，让它冷却。
The rooms are admirably cool and shady after the hot brown monotony of the countryside.───在乡间经受过持续的暴晒后，房间里显得特别阴凉宜人。
Don't get excited about the exam; keep cool.
The grass was cool and pleasant underfoot.
The February air was soft, cool, and inviting.
She let the gentle breeze cool her face.
Her skin felt smooth and cool.