*care·ful/`kɛrfəl; ˈkeəfəl/ adj 1 trying very hard to avoid doing anything wrong or damaging something 小心的: a careful driver 谨慎的司机 Anna was careful not to upset Steven. 安娜很小心，以免让史蒂文难过。 2 (be) careful!spoken used to tell someone to think about what they are doing so that something bad does not happen 【口】 小心〔用于提醒某人注意危险〕: Be careful with that ladder! 小心那梯子！