leave behind1.■留下;丢下;忘记;忘记带走:She has left her admission ticket behind.她忘记带入场券了。2.■遗留:The old man left behind him a debt of 10 000 dollars.老人死后留下了 10 000美元的债务。3.■把…丢在后面;超过:The Japanese swimmer was left behind in women's 100m freestyle final.在女子100米自由游泳决赛中日本选手落在了后面。4.■留下(某人或某物):I'll leave my bicycle behind.I'll not need it for the time being.我要把自行车留下来,我暂时不需要它。