啧

(interj. of admiration or of disgust)
to click one's tongue
to attempt to (find an opportunity to) speak

早餐, 早晨, 早饭, 早期, 早上, 枣树, 早先, 早些, 早已, 躁, 燥, 噪, 造, 皂, 灶, 造成, 造成问题, 造反, 噪声, 噪音, 责备, 责成, 责骂, 责难, 责任, 啧啧, 仄, 昃, 贼, 怎, 怎麽, 怎麽样, 怎样, 谮, 曾, 增, 憎, 缯, 罾, 增多,