久攻不下 jiǔ gōng bù xià

DEFINITIONS

  1. to attack for a long time without success

CHARACTERS

久 jiǔ
HSK 3
long time (ago); time passage, grow late
攻 gōng
HSK 6
attack, assault; criticize
不 bù
HSK 1
no, not; un-; negative prefix
下 xià
HSK 1
under, underneath, below; down; inferior; bring down