長驅直入

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

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

to expel / to urge on / to drive / to run quickly

surname Zhi / Zhi (c. 2000 BC), fifth of the legendary Flame Emperors 炎帝[Yan2 di4] descended from Shennong 神農|神农[Shen2 nong2] Farmer God

straight / to straighten / fair and reasonable / frank / straightforward / (indicates continuing motion or action) / vertical / vertical downward stroke in Chinese characters

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]