时光笑我孤独如狗眼泪笑我天真愚昧
[shí guāng xiào wŏ gū dú rú gŏu yăn lèi xiào wŏ tiān zhēn yú mèi]
The phrase laments feeling lonely (compared to a dog's isolation) and naive, drawing humor from time itself 'laughing' at the author's situation and tears reflecting on past foolishness.