进：前进；退：退却；据：占据。前进可以攻击，后退可以固守。比喻进攻和防守都有主动权
be in a position to advance or retreat as the opportunity offers
进(jìn)
可(kě kè)
以(yǐ)
攻(gōng)
()
据(jù jū)
守(shǒu)
