長驅直入 cháng qū zhí rù

DEFINITIONS

  1. to march straight in unchallenged (military) (idiom)
  2. (fig.) to push deep into the heart of sth
  3. to flood in

CHARACTERS

長 cháng long; length; excel in; leader
驅 qū spur a horse on; expel, drive away
直 zhí straight, erect, vertical
入 rù enter, come in(to), join