当时年少总把未来想的太好
[dāng shí nián shăo zŏng bă wèi lái xiăng de tài hăo]
This net name means 'In our youth, we always thought too well of the future.' It expresses a nostalgia for the idealistic expectations and naive optimism one has in their youth regarding what life would be like going forward. There's an element of retrospection suggesting that the speaker now understands the past outlook was overly positive.