相关单词近义词 confidence 信任, security 安全, absoluteness 绝对性, assurance 保证，担保, certainty 确定, certitude 确实, self-assurance 自信, authority 权力, self-confidence 自信临近词sure, Sures相似词sure thing idiom, surefire, surefooted, surely, surety, surf, surface, surface area, 返回 sureness