我姓许却只想许你一袭白纱
[wŏ xìng xŭ què zhĭ xiăng xŭ nĭ yī xí bái shā]
Translates to 'My surname is Xu, but I only wish you a white dress.' Surname 'Xu' shares its pronunciation with the word 'promise' or 'granting'. This indicates a heartfelt wish to grant their beloved a white gown, symbolizing wedding vows and lifelong commitment.