三者意思都是：担心be worried about 中 worried 是形容词be worrying about 中 worry 是动词,用了进行时,表示：正在担心worry about 中worry 是动词例如：He is worried about his son .他为儿子担心.He is worryin...He is worried about his son .��He worries about his son. û�������������û����˼û�����ֻ��worry ���Բ�ͬ���ˡ�