常見例句The girl is verv casul and singer. 例如：那個男孩很年輕，個子很高。I had no idea he would take on so because of a casul remark. 我未曾想到一句隨便說的話竟使他生這麼大的氣。you shouldn't so casul like that. 你不應(yīng)該這樣粗心大意。 返回 Casul