常见例句The girl is verv casul and singer. 例如：那个男孩很年轻，个子很高。I had no idea he would take on so because of a casul remark. 我未曾想到一句随便说的话竟使他生这么大的气。you shouldn't so casul like that. 你不应该这样粗心大意。 返回 Casul