不知不觉一年过去了不知不觉十年过去了
[bù zhī bù jué yī nián guò qù le bù zhī bù jué shí nián guò qù le]
'Before I knew it, one year had passed; before I knew it, ten years had passed' describes the passage of time swiftly without awareness. This phrase reflects on the rapid flow of life events, suggesting nostalgia and introspection.