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?