most/mostly

most /məust/ I. adj. 最多的；大部分的: When we arrived, you had finished most part of the work.我们到时，你们已做了大部分的工作。［考句］ It is reported that most adopted children want to know who their natural parents are.据报道大多数收养的孩子都想要知道他们的生身父母。（most of后面应接表示限定范围的n. 或pron.；most of 之前一般不用定冠词；the most是much或 many 的最高级形式，后面一般不跟名词）‖II. adv.最；很；颇: Who works the most carefully in your class? 你们班里谁做事最仔细? It was most difficult. 这事很难做。 ‖III. pron. 大多数；大部分: He was ill for most of last week. 上周他大部分时间都生病。 Most of these pupils are girls.这些学生中大部分是女生。 ‖IV. n. 最大量；大多数: Do the most you can.能做多少做多少。at (the) most 至多: The railway will be completed in six months at (the) most.这条铁路至多六个月就能建成。make the most of 充分利用，尽量利用：make the most of one’s opportunities to do sth. 充分利用自己的机会干某事

 mostly /ˈməustli/ adv.多半；主要地；大部分: Cows eat mostly grass.奶牛吃的主要是青草。 Those who came to dance were mostly young. 来跳舞的多半是年轻人。