只是一句执子之手只是一句与子偕老
[zhĭ shì yī jù zhí zi zhī shŏu zhĭ shì yī jù yŭ zi xié lăo]
It's just a phrase, hold your hand; it's just words about growing old together. Quoting two traditional vows of marital faith, this expresses commitment but adds a touch of irony suggesting the reality might be more complex than poetic promises indicate.