ain't[enit] 是个俗用词,有时被写成 an't .它可以是 are not ,is not ,am not ,have not ,has not 的缩写形式.在口语中常可听到这种读音.例如：
You're joking,ain't (= aren't) you?/ I ain't (= am not) going to do it./That ain't (= is not) true,I'm afraid./ Your letter ain't (= has not) reached me up to now.所问句子的意思是：I have not got any more money.