十年之久我陪你走三年之痒我伴你久
[shí nián zhī jiŭ wŏ péi nĭ zŏu sān nián zhī yăng wŏ bàn nĭ jiŭ]
'I've Walked With You For Ten Years Through Thick and Thin.' It signifies a deep commitment to staying by someone's side through the first three difficult years and all the way up to a decade, emphasizing loyalty and persistence.