他总是帮他妈妈干点家务活: whenever he had time he would helhis mother with some housework
轻: Ⅰ形容词1.(重量小; 比重小) light 短语和例子身轻如燕 light as a swallow; 油比水轻。 oil is lighter than water. 这箱子轻得出人意外。 the suitcase is surprisingly light.2.(数量少; 程度浅) small in number, degree, etc.: 年纪很轻 be very