迂回

tortuous;roundabout;circuitous;devious
～包抄敌人outflank the enemy/～前进advance in a roundabout way; roundabout way of advance/～战术outflanking tactics/～曲折full of twists and turns; in zigzags; circuitous;tortuous/～曲折的道路a tortuous and devious path;a zigzag path