As likely as not she's forgotten all about it.

她很可能把这事忘得一干二净了。

He will help you, as likely as not.

他很可能会帮你。

Mr. Norman will help you, as likely as not.

诺曼先生不可能匡助你。

He will forget all about it as likely as not.

他很可能会忘记得干干净净。

As likely as not, she will win the scholarship.

很有可能她会获得这项奖学金。