Dictionary/里应外合

里应外合 裡應外合

lǐ yìng wài hé

ㄌㄧˇ ㄧㄥˋ ㄨㄞˋ ㄏㄜˊ
Idiom
1to coordinate outside and inside offensives (idiom)
2(fig.) to act together

Characters

里应外合