tugn.用力拉；拖船v.用力拉tug-of-love baby父母争夺监护权的婴儿tug the laboring oar负责工作中最艰苦、最繁重的部分tug barge combination拖驳船队tug the labouring oar担任苦活tug-of-love child父母争夺监护权的儿童tug one's forelock to控制系统Tugarinovia mongolican.革苞菊Tug of war by ear?合同的保留条款tugging at the oars.牵引船桨tug for a towed target拖靶飞机