一口回绝 meaning in Chinese

flatly refuse

She refuses, because he is not rich .
她一口回绝，因为他太穷。
It is unnecessary to expatiate on the effect of this downright refusal of the woman's proposals .
这个女人的求婚遭到一口回绝之后发生了什么事情，我们无需多费笔墨来描述。
" no , " he replied abruptly , and turned upon his heel
“不要， ”他粗鲁地一口回绝，转身走了。
But here is the puzzle : why should anyone reject an offer as “ too small ”
但是，问题是：为什麽有人会因为价码太低而一口回绝呢？
I want to tell you a terrific story about oral contraception . i asked this girl to sleep with me and she said “ no ”
我跟你说口腔避孕法的好笑故事。我要求那位女生跟我敦伦，她一口回绝。（与其空言，不如动作。）