易守难攻 yì shǒu nán gōng

DEFINITIONS

  1. easily guarded, hard to attack

CHARACTERS

易 yì
HSK 3
change; easy
守 shǒu
HSK 5
defend, protect, guard, conserve
难 nán
HSK 3
difficult, arduous, hard; unable
攻 gōng
HSK 6
attack, assault; criticize