The forecast is for changeable weather.

　　預報針對的是變化無常的天氣。

　　The weather was very changeable last winter.

　　去年冬天天氣變化無常。

　　My boss has a changeable character.

　　我的老板性格多變。

　　Her moods are very changeable.

　　她的情緒變化無常。

　　The current political situation is changeable.

　　風云變色。