numerous a number of a lot of abundant plentiful 大量的, 丰富的
stay remain 保持
rest break 休息
account for explain 解释
examination test 测试， 考试
examine check up 检查， 核对
gain put on 增加
put up lift raise 举起
put up build construct 建造
relieve -- lessen 减轻，减少
severe serious -- bad 严重的
severe strict 严厉的
sharp acute severe 剧烈的
severe hard - tough艰苦的
quit give up abandon放弃
subject topic 话题
remarkable exceptional extraordinary great marvelous striking special unusual显着的
polite respectful 有礼貌的
politeness good manners 礼貌
crazy mad 疯狂的
sensible wise 明智的
clever intelligent wise bright 聪明的
exhausted tired worn out 疲惫
believable convincing -- credible 可信的