sureness
noun [ U ] uk/ˈʃɔː.nəs/ us/ˈʃʊr.nəs/
自信，信心，把握
confidence and control
We admired the sureness of the orchestra's playing. 我们对乐团信心百倍的演奏很是钦佩。
She has an enviable sureness of touch (= she deals with things confidently and well). 她做起事情来总是胸有成竹，真让人佩服。