关键的（形容词）

(adjective) Having central importance; crucial.

EXAMPLE: The year when our young new president joined our failing company and brought us into profitability was a pivotal time in our corporate history.

那一年，我们的年轻新总载加入了我们这家快要倒闭的公司，让我们恢复了营利能力。这是我们公司历史上的关键时刻。

"Thanks, but no thanks."

“谢谢，但还是算了吧。”（非正式表达法）

Informal expression meaning "Thank you, but I am not interested in your offer."

EXAMPLE: I listened politely to my friend's tempting suggestion that we play golf today instead of going to work, but I said to him "Thanks, but no thanks," and smiled.

我有礼貌地聆听朋友的今天不上班去打高尔夫的诱人建议，但我对他说：“谢谢，但还是算了吧”，然后冲他一笑。