1、careful英[ˈkeəfl]美[ˈkerfl]，adj.仔细的; 小心; 谨慎; 细致的; 注意; 精心的; 慎重的。2、[例句]Either choice requires a lot of careful consideration and shouldnt be made lightly.哪种选择都需要认真仔细的考虑，不能轻率地做出决定。
