thoughtful adj. 1.认真思考的,不轻率的;细心的,沉思的,若有所思的。 2.体贴人的,亲切的;对…关心的;对…忧虑的 (of)。 3.思想丰富的,富有思想的,经过认真考虑的,有创见的。 For about ten minutes, he didn't say anything and was thoughtful. 有十分钟的功夫,他没有讲话,在沉思着。 How thoughtful of you! 考虑得真周到!be thoughtful of one's safety 关心[注意]自己的安全。 be thoughtful of others 考虑到[关心]别人。 adv. -ly ,-ness n.