/ˈkwaɪət ||; ˈkwaɪət/adj1 with very little or no noise 静的；安静的；肃静的；无声的: Be quiet! 安静！His voice was quiet but firm. 他说话声音很轻，但语气坚定。Go into the library if you want to work. It's much quieter in there. 要学习就去图书馆吧，那里清静得多。 [OPP] loud 反义词为loud
2 without much activity or many people 宁静的；平静的: The streets are very quiet on Sundays. 星期天街上静悄悄的。Business is quiet at this time of year. 每年这个时候生意很清淡。a quiet country village 宁静的乡村We lead a quiet life. 我们过着平静的生活。
3 (used about a person) not talking very much （指人）文静的，不太说话的，沉默寡言的:
You're very quiet today. Is anything wrong? 今天你不大说话。有什么事吗？He's very quiet and shy. 他很文静，又腼腆。 ➔quietly adv Try and shut the door quietly! 请尽量轻声关门！ ➔quietness noun [U] keep quiet about sth;keep sth quiet to say nothing about sth 对某事保密；不透露某事:
Would you keep quiet about me leaving until I've told the boss? 关于我辞职的事，在我向上司提出之前请你暂时保密，行吗？