three sheets to the wind意为“固定船帆的绳索”是sheet—line的简略形式。真实含义是“喝得大醉”的意思。

【例句】
Tom was three sheets to the wind and couldn't walk across the room without stumbling.
汤姆喝得酩酊大醉，在房间里一走动就跌跌撞撞。

He had three sheets to the wind and had to be carried home.
他喝得烂醉如泥，被抬回家去了。