assuredness
n. 确实；确信；自信
近义词：confidence，knowledge，absoluteness，sang-froid，poise，aplomb，cool，
英英释义
Noun
- great coolness and composure under strain;
"keep your cool"
例句
用作名词(n.)
- Life is happier if it is full of easiness and assuredness.生命是非常美好的，如果生活中充满了从容与自信的话。