例句：

　　Our luck couldn't hold forever.

　　我們的好運(yùn)不可能永遠(yuǎn)保持不變。

　　She seems cursed with bad luck.

　　她好像運(yùn)氣不好連連遭殃。

　　Isn't that a piece of luck ?

　　那難道不是有點(diǎn)運(yùn)氣？