very serious

基本解释

They were very serious.
他們是很認真的。
In my view the problem is not very serious, and the policy response will be moderate.
但在我看來，這一問題還不是很嚴重，而且政策上的反應將是溫和的。
And there are some very serious reasons that led to the condom’s production and some very serious reasons why they have the potential for some very severe consequences – both good and bad.
的確有一些十分重要的原因導致了此類安全套的生産，竝且還有一些十分重要的原因來解釋它們可能會産生非常嚴重的影響——包括好與壞。

But she was very serious, very motivated, very hard working type of person and really a kind of good Catholic girl her entire life.
She lived in New York for a short time, but she was afflicted with lupus, a very serious illness, and she died at the age of 39 in 1964.
她在紐約度過一段短暫的時光，但她飽受狼瘡，一種嚴重疾病的折磨，最終逝世於1964年。
耶魯公開課 - 1945年後的美國小說課程節選
I think that if we don't address it, it has the potential to have very, very serious effects
我覺得如果我們不解決的話，可能有非常非常嚴重的後果
全球變煖和發達國家 - SpeakingMax英語口語達人