be perfectly calm and collected be in possession of oneself with great presence of mind not turn a hair undismayed unflappable with great composure without turning a hair
be perfectly calm and collected
undismayed
英 [ˌʌndɪsˈmeɪd]
美 [ˌʌndɪsˈmeɪd]
unflappable
英 [ˌʌnˈflæpəbl]
美 [ˌʌnˈflæpəbl]
英語詞典收錄了最新的漢英詞典和英漢詞典,總共有200多萬個詞條,詞庫仍在不斷更新中。