We couldn't understand them because they were talking in Chinese.

　　我們聽(tīng)不懂他們在講些什么，因為他們說(shuō)的是漢語(yǔ)。

　　Those children need a firm hand to make them behave.

　　那些孩子得嚴加管教。

　　We said we would keep them.

　　我們說(shuō)過(guò)要保存它們的。

　　Tell them it's just not good enough.

　　告訴他們這確實(shí)不夠好。