我知道你会坐在她的身边，笑着牵住她的双手的英文

and then sit and laugh as you're holding her hand

• 我:    I; my; me
• 知道:    know; realize; be ...
• 你:    you
• 会:    compute
• 坐:    sit; be seated; ta ...
• 在:    exist; be living
• 她的:    her; hers
• 身边:    at one's side
• 笑:    smile; laugh
• 着:    wear; dress
• 牵:    lead along; pull
• 住:    live; lodge; resid ...
• 她:    she
• 的:    4次方是 The fourth po ...
• 双手:    both hands