牵佑手不离牵佐手不弃
[qiān yòu shŏu bù lí qiān zuŏ shŏu bù qì]
Literally translated, it reads 'Holding Right Hand Not Leaving, Holding Left Hand Never Abandoning.' Reflects steadfastness in friendship/relationship where no matter what happens one will support each other consistently without backing down easily.