little did one know; unaware
Meanings
2 senses · 6 examplesadverb
little did one know; actually (used to correct another's misconception)
Used to introduce a contrasting fact that contradicts a common belief or someone else's assumption. Often precedes a comma.
Some people think drinking alcohol can ward off the cold, but little do they know that once the effect wears off, they feel even colder.
Many people believe that early to bed and early to rise guarantees health, but little do they know that sleep quality is the key.
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Everyone envies his glamorous appearance, but little do they know how much pressure he endures behind the scenes.
adverb
little did I know; unexpectedly (used to correct one's own assumption)
Used when the speaker realizes their own previous assumption was wrong. Often expresses surprise or regret.
I thought he was still in Beijing, but little did I know he left last week.
I thought this matter was simple, but little did I know it would be so difficult to carry out.
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I thought I had prepared thoroughly, but little did I know I would be so nervous during the exam that I forgot the answers.