She suddenly realized the oddity of her remark and blushed.

她突然意识到自己的话很奇怪，脸一下子红了。

《牛津词典》

Sleep and dreams had fallen away, along with, she suddenly realized, her first husband, whose hand she'd been holding in the burning building.

睡意和梦境皆尽散去，还有前夫的影像，她突然意识到，梦中那栋燃烧的建筑里，她握着的是他的手。

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At that moment Rose turned to face a shop mirror and saw how different she was from that beautiful girl in front of her; she suddenly realized how much harm she was doing to herself.

那时罗斯转过身看着商店里的镜子，发现自己和面前的美丽女孩有着天壤之别，她突然意识到她所做的一切对自己的伤害有多大。

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Since Jewell does leadership training herself, she suddenly realized she'd found a great lead, and she arranged to follow up with a phone call the next week.

FORBES: Magazine Article

"I think she suddenly woke up one morning and had an epiphany and she suddenly realized and appreciated the seriousness of the events that led to her being in court, " Heller said.

WSJ: Lawyer says Lohan committed to turning life around