101、pay, salary, wage
pay薪金，泛指对付出劳动给予的报酬，不分发放对象，只用单数，尤指军队的军饷。如：They are asking for equal pay for equal work.他们要求同工同酬。
Salary工资，指按月或年支付给脑力劳动者的工资。如：The family lives on his salary.(全家人靠他的工资生活。)
Wage工资，指定期支付给体力劳动者或临时工的工资，常用复数。如：He works at wages of ten dollars a week.(他每周工资10美元。)
102、sit/seat/set
sit是不及物动词，意思是“坐”，又是不规则动词，变化形式为：sit, sat, sat.
seat是及物动词，意思是“使…坐”。例如：
The baby sits at the table.
The baby is seated at the table.
103、warn sb. of, warn sb. against
warn sb. of提醒某人注意某事，warn sb. against提醒某人不要做某事warm him against swimming in that part of the river
104、weather, climate
weather一天内具体的天气状况，climate长期的气候状况The climate here is not good for you.
105、work, job
二者均指工作。work不可数，job可数a good job
106、wear, put on, dress
wear和dress表状态,wear接衣服等,可用进行时，dress接人,be dressed in, put on表动作It's cold outside. Put on your warm clothes.
107、worth, worthless, worthwhile, worthy
worth值……钱，值得……的。如：This house is worth a lot of money.(这房值很多钱。)The radio program is worth listening to.(这广播节目值得听。)
worthless无价值的，无用的(可作定语和表语，无比较级)。如：These stamps are worthless.(这些邮票无价值。)Don’t read worthless books.(不要读些没用的书。)
worthwhile值得的(可作定语和表语)。如：That is a worthwhile program.(那是一个值得听的节目。)So few movies are worthwhile nowadays.(当今有价值的电影很少。)
worthy(1)有价值的，可尊敬的(常作定语)。如：The teacher was a worthy man.(那位老师是可尊敬的人。)(2)值得的(常作表语)。如：The man is worthy of praise.(这人值得称赞。)它的动词句式是be worthy to be done (be worth doing).
108、zone, district, area, region, belt
zone地带，地区，区域，指某一特定的地方或区域。如：Most of China is in the temperate zone.(中国的大部分地区在温带。)
district区，行政区，指一国家或城市按行政区的划分。如：the economic development district(经济开放区)
area面积，范围，一般用语，没有明确的外围界限，也可指占地面积。如：The factory covers an area of 500 mu.(这工厂占地50亩。)
region地区，指较大范围内的区域，一般按自然条件和自身特点划分。如：an autonomous region(自治区)
belt地带，通常指狭长的地带。如：The northern part of the country is usually regarded as the wheat belt.(这国家的北部通常被看作小麦种植地带。)