严重：severe [si'viə] a. 剧烈的,严重的,严峻的,严厉的,严格的[ 形容词比较级severer 形容词最高级severest 名词severeness ] 1. Don't be so severe to her---she couldn't help it.别对她太严厉，她也是没办法。2. The judgements are severe.别人的看法严苛.3.Do you have severe headaches?头疼得厉害么？serious ['siəriəs] a.严肃的,庄重的,严重的,危急的,认真的[ 名词seriousness ] 1. This company was in serious financial difficulties.这家公司陷入严重的财政困难。2. what is more serious is that……更严重的是……3. A: Why do you look so serious?你怎么一副正经八百的样子？grave [greiv] a. 严肃的,庄重的,严重的n. 坟墓[ 过去式graved 过去分词graven/graved 现在分词graving 形容词比较级graver 形容词最高级gravest 名词graveness ] 1. The situation poses a grave threat to world peace.这局势对世界和平构成了严重的威胁。2. Thy root is ever in its grave,你的根永远扎在坟墓里，3. Oh grave, where is thy victory?死啊，你得胜的权势在哪里？critical ['kritikəl] a. 批评的,决定性的,危险的,挑剔的a. 临界的[ 名词criticalness ] 1. In the current critical climate her work is not popular.在当前评论风气影响下，她的作品不怎么受欢迎。2. The next is even more critical.下一个更加苛刻。3. How critical is the facility?被保护设备的重要性？
二三子钩
