字典释义：
[chōng]
〈形〉
(形声。从心,中声。忧愁的样子) 同本义
忡,忧也。——《说文》
忧心有忡。——《诗·邶风·击鼓》
忧心忡忡。——《诗·召南·草虫》
极劳心兮忡忡。——《楚辞·云中君》
又如:忡然(忧愁的样子);忡怅(忧伤惆怅)
[chōng]
[chōng]
[chōng]
忡忡 [chōng chōng]
怔忡 [zhēng chōng]
伤忡 [shāng chōng]
忡弱 [chōng ruò]
忡怅 [chōng chàng]
忧忡 [yōu chōng]
忡惙 [chōng chuò]
眷忡 [juàn chōng]
忡怛 [chōng dá]
忡惕 [chōng tì]
征忡 [zhēng chōng]