say v.说，讲

say hello to sb. 向某人问好/问候；向…问好

say hello to... 向…问好

say to oneself 心中暗想

say yes 同意，允诺

say"hello"to 向…问好

say"hi"to 向…问好

saying n.话；俗话；谚语

says v. 说(第三人称单数)