讳莫如深

Explanation: Taboo: conceal; depth: a major event. Original intent was a major event, taboo without speaking. After that hide things very tight. 　　Usage: Partial official; as predicate, adverbial; that conceal very deep things 　　Source: "Guliang Zhuang three years": "Why? Secrecy, is hidden deep. Gou have seen, nurturing deep too." 　　Examples: For that question he was always ~, as people can not understand. Thesaurus:  Avoided, silence, Du Port sufferance, to be frightened into complete silence but to exchange their hatred with eyes, speak with caution, confidentiality, stop talking unknown, silence, Shut up silence, Kin 3 seal, secrecy, stop talking avoid, Shallow discretion croon, chops => lick. one's lips are sealed one will not or must not discuss or reveal sth Antonym Group:   broadcast the gossip, speak with fervor and assurance, Basanlansi, Tiaoba call [make] white black, Number of black on white, Number of black on yellow, criticism from the people boil, Introduction trilingual 4, On the number of black-yellow, Make irresponsible remarks, chat, talk irresponsibly, make thoughtless comments, That black spoken parts in an opera, talk of anything under the sun, On the air that there