長ㄔㄤˊcháng驅ㄑㄩqū直ㄓˊzhí入ㄖㄨˋrù

挺進迅速，銳不可擋。《水滸傳·第一○七回》：「自此盧俊義等無南顧之憂，兵馬長驅直入。」《蕩寇志·第二一回》：「那廝若得了清真山，長驅直入，為患不小。」也作「長驅徑入」、「長驅而入」。似勢如破竹

英to march straight in unchallenged (military) (idiom), (fig.) to push deep into the heart of sth, to flood in