She'll cook up a convincing explanation.

　　她將編造一個(gè)有說(shuō)服力的解釋。

　　His explanation sounds reasonable to me.

　　他的解釋我聽(tīng)著有道理。

　　The facts allow of only one explanation.

　　這些事實(shí)只可能有一種解釋。