4 a. used to say that you expect something to happen or be true b. used to say what was expected, but did not happen 本应该
EXPECTED THING
预期的事
10 used to politely ask for something, offer to do something, or say that you want to do something [正式,尤英]
〔用于礼貌地表示想要某物,或表示你要做某事〕 formal especially BrE
REQUESTING/OFFERING
请求/提供