say to oneself心里想；自言自语

that is to say就是；即；换言之

they say据说；人们说

say when[俚语]停止；制止

say goodbye说再见；告别

say for oneself为自己找借口，为自己辩护

say yes vt. 同意（允诺，承认）；说对

say about说到

how to say怎么说

say nothing什么也不说

say hello打招呼；问好

what i say我说什么

nothing to say无话可说

say on v. 说下去

say well说得对，说得好

hard to say很难说

say sorry to对……说对不起

as you say就像你说的

let us say比如说；假定；假如说

so to say可以这么说