平生: all one's life; one's whole life; always; at all times 短语和例子平生艰苦朴素 live simply and work hard all one's life; 平生的志愿 one's lifelong aspiration [wish]
志愿: 1.(志向和愿望) aspiration; wish; ideal 短语和例子祖国的需要就是我的志愿。 my wish is to do what my country needs me to do.2.(自愿) do sth. of one's own free will; volunteer; voluntarily 短语和例子志愿参加这项事业 volunteer in