握住了左手的幸福遗忘了右手的孤单
[wò zhù le zuŏ shŏu de xìng fú yí wàng le yòu shŏu de gū dān]
The phrase conveys holding onto happiness in one's left hand while forgetting the loneliness in the right hand - the sentiment implies the owner is trying to focus on happy times and ignore feelings of aloneness.