执手桑田此生不负
[zhí shŏu sāng tián cĭ shēng bù fù]
Hand in hand, experiencing many changes, this life has no regrets. The word comes from 'Cang Hai Sang Tian' (沧海桑田) which implies great social change. This idiom is often used in a sentence to mean that the person wants to go through all experiences together with loved ones during lifetime, reflecting deep love and companionship between each other.