成語： 人命關天 拼音： rén mìng guān tiān
解釋： 關天：比喻關系重大。指有關人命的事情關系及重大。
成語： 非同小可 拼音： fēi tóng xiǎo kě
解釋： 小可：尋常的。指情況嚴重或事情重要，不能輕視。
出處： 元·孟漢卿《魔合羅》第三折：”蕭令史，我與妳說，人命事關天關地，非同小可！”
成語： 非同尋常 拼音： fēi tóng xún cháng
解釋： 尋常：平常。形容人和事物很突出，不同於壹般。
形容關系重大,非常緊要的四字詞語
成語： 舉足輕重 拼音： jǔ zú qīng zhòng
解釋： 只要腳移動壹下，就會影響兩邊的輕重。指處於重要地位，壹舉壹動都足以影響全局。
成語： 非同兒戲 拼音： fēi tóng ér xì
解釋： 比喻事情很重要，不是鬧著玩的。
出處： 清·曹雪芹《紅樓夢》第六十五回：“但終身大事，壹生至壹死，非同兒戲。”
成語： 此事體大 拼音： cǐ shì tǐ dà
解釋： 體：體制，規模。這件事性質重要，關系重大。
出處： 漢·班固《典引》：“茲事體大而允，寤寐次於聖心。”
成語： 山崩水竭 拼音： shān bēng shuǐ jié
解釋： 山嶽崩塌，河川幹枯。古代認為是重大事變或其征兆。同“山崩川竭”。
形容關系重大,非常緊要的句子
如今，人們的衣著服飾在日常生活中已占有舉足輕重的地位
Nowadays, people's clothing has played an important role in daily life
這些壓力非同小可，且這兩個因素也都曾被公開討論過。
These pressures are significant, and both have been discussed publicly.
從這裏可以看出，此人的來頭非同小可。不是有點可怕嗎？
It can be seen from here that this man is of great importance. Isn't it a little scary?
周府在當地勢力非同小可，各級衙門無不仰承鼻息。
The Zhou government has a great influence in the local area, and all the Yamens at all levels have their noses up.
盟主之位，非同小可，壹定要能者居之，才能深孚眾望。
The position of the leader of the alliance is very important. Only those who are able can live in it, can they gain popularity.
他是公司裏舉足輕重的人物，凡是重要的事情都由他決定。
He is an important person in the company. He decides everything important.
別妄自菲薄，就是壹顆小螺絲也對整部機器的運作有舉足輕重的影響。
Don't make a fool of yourself. Even a *** all screw has an important influence on the operation of the whole machine.
資訊工業在國內工業發展中無疑是舉足輕重的腳色。
The information industry is undoubtedly an important role in the development of domestic industry.
這件事非同小可，妳要慎重壹點兒。
This is a very important matter. You should be careful.
保護員覺得非同小可，迅速將情況匯報到偃師市文管會。
The protectors felt that it was very important to report the situation to the cultural administration of Yanshi City.
他的話具有舉足輕重的作用，若能得到他的支持，這件事成功有望。
His words play an important role. If you can get his support, it will be a success.
這次車禍非同小可，我們要不惜壹切代價處理好。
This traffic accident is very serious. We must deal with it at all costs.
他在公司裏具有舉足輕重的地位，可不能小看他。
He has an important position in the company, but we can't look down on him.
他才高八鬥，龍馭賓天，非同小可。
He is a talented man. He controls Bintian with a dragon, which is very important.
這件事非同小可，我要再考慮壹下。
This is a big deal. I'll think about it again.
這件事可是人命關天的大事，非同小可，必須妥善辦理。
This is a matter of vital importance. It must be handled properly.
填報升學誌願非同小可，要慎重考慮。
It's very important to fill in the application for admission to higher education, so we should consider it carefully.
近內告有家財萬貫，非同小可；遺筆直偽，也未可知。
Recently, it was reported that there was a great wealth in the family, which was not trivial. It was also unknown that the pen was direct or fake.
這次我們全校體操團體比賽中我們班獲得了前三名，小明的傑出表現起到了舉足輕重的作用。
Our class won the top three places in the gymnastics group competition of our school, and Xiao Ming's outstanding performance played an important role.
這樣的話可別亂說，生出是非來非同小可。
Don't talk about it like this. It's very important to have right and wrong.
他本來很壹般；但由於雙方都爭取他；他便成舉足輕重的人物了。
He used to be average; but because both sides fought for him, he became a man of consequence.
每次選舉，民意調查的結果是舉足輕重的參考資料，各政黨據此擬訂政策。
In each election, the results of the public opinion survey are important references for political parties to formulate policies accordingly.