演空城计

Traditional (Taiwan): 演空城計

yǎnkōngchéngjì ㄧㄢˇ ㄎㄨㄥ ㄔㄥˊ ㄐㄧˋ

    • to bluff with a show of strength while having no resources or people
    • to leave a place empty

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
perform the Empty Fort stratagem
Meaning
Usually said as 唱空城计: to bluff with an appearance of strength while actually having no resources or people, or leaving a place empty.

Sources