121.free, vacant, empty
free空的，指清除了或缺少了某物，與of 或from連用。如：She is free from anxiety.(她無憂無慮。)She is free of him.(她擺脫了他。)
empty空的，指里面什么東西都沒有。如：The case is empty.(這是個空箱子。)
vacant空閑的，指地方?jīng)]有被占用。如：One day, man can make full use of vacant space.(將來，人們會充分利用浩瀚的天空。)
empty，vacant和相同的名詞連用時，含義不同。如an empty house指房子里既無家具也無人，空蕩蕩的。而a vacant house指房子沒有被人占用，里面可有家具，也可無家具。
122.pay, salary, wage
pay薪金，泛指對付出勞動給予的報酬，不分發(fā)放對象，只用單數(shù)，尤指軍隊的軍餉。如：They are asking for equal pay for equal work.他們要求同工同酬。
Salary工資，指按月或年支付給腦力勞動者的工資。如：The family lives on his salary.(全家人靠他的工資生活。)
Wage工資，指定期支付給體力勞動者或臨時工的工資，常用復(fù)數(shù)。如：He works at wages of ten dollars a week.(他每周工資10美元。)
123.cry, sob, weep
cry哭，普通用語，常指出聲地哭。如：The little girl cried herself to sleep.(小女孩哭著睡著了。)
sob抽泣，嗚咽：She sobbed herself to sleep.(她啜泣著入睡了。)
weep哭泣，書面語，常指小聲或無聲地哭泣，有時可與cry通用。如：She wept at the sad news.(聽到這不幸的消息，她哭了。)
124.worth, worthless, worthwhile, worthy
worth值……錢，值得……的。如：This house is worth a lot of money.(這房值很多錢。)The radio program is worth listening to. (這廣播節(jié)目值得聽。)
worthless無價值的，無用的(可作定語和表語，無比較級)。如：These stamps are worthless.(這些郵票無價值。)Don’t read worthless books.(不要讀些沒用的書。)
worthwhile值得的(可作定語和表語)。如：That is a worthwhile program.(那是一個值得聽的節(jié)目。)So few movies are worthwhile nowadays.(當今有價值的電影很少。)
worthy(1)有價值的，可尊敬的(常作定語)。如：The teacher was a worthy man.(那位老師是可尊敬的人。)(2)值得的(常作表語)。如：The man is worthy of praise.(這人值得稱贊。)它的動詞句式是be worthy to be done (be worth doing).
free空的，指清除了或缺少了某物，與of 或from連用。如：She is free from anxiety.(她無憂無慮。)She is free of him.(她擺脫了他。)
empty空的，指里面什么東西都沒有。如：The case is empty.(這是個空箱子。)
vacant空閑的，指地方?jīng)]有被占用。如：One day, man can make full use of vacant space.(將來，人們會充分利用浩瀚的天空。)
empty，vacant和相同的名詞連用時，含義不同。如an empty house指房子里既無家具也無人，空蕩蕩的。而a vacant house指房子沒有被人占用，里面可有家具，也可無家具。
122.pay, salary, wage
pay薪金，泛指對付出勞動給予的報酬，不分發(fā)放對象，只用單數(shù)，尤指軍隊的軍餉。如：They are asking for equal pay for equal work.他們要求同工同酬。
Salary工資，指按月或年支付給腦力勞動者的工資。如：The family lives on his salary.(全家人靠他的工資生活。)
Wage工資，指定期支付給體力勞動者或臨時工的工資，常用復(fù)數(shù)。如：He works at wages of ten dollars a week.(他每周工資10美元。)
123.cry, sob, weep
cry哭，普通用語，常指出聲地哭。如：The little girl cried herself to sleep.(小女孩哭著睡著了。)
sob抽泣，嗚咽：She sobbed herself to sleep.(她啜泣著入睡了。)
weep哭泣，書面語，常指小聲或無聲地哭泣，有時可與cry通用。如：She wept at the sad news.(聽到這不幸的消息，她哭了。)
124.worth, worthless, worthwhile, worthy
worth值……錢，值得……的。如：This house is worth a lot of money.(這房值很多錢。)The radio program is worth listening to. (這廣播節(jié)目值得聽。)
worthless無價值的，無用的(可作定語和表語，無比較級)。如：These stamps are worthless.(這些郵票無價值。)Don’t read worthless books.(不要讀些沒用的書。)
worthwhile值得的(可作定語和表語)。如：That is a worthwhile program.(那是一個值得聽的節(jié)目。)So few movies are worthwhile nowadays.(當今有價值的電影很少。)
worthy(1)有價值的，可尊敬的(常作定語)。如：The teacher was a worthy man.(那位老師是可尊敬的人。)(2)值得的(常作表語)。如：The man is worthy of praise.(這人值得稱贊。)它的動詞句式是be worthy to be done (be worth doing).