胸中百万兵

Traditional (Taiwan): 胸中百萬兵

xiōngzhōngbǎiwànbīng ㄒㄩㄥ ㄓㄨㄥ ㄅㄞˇ ㄨㄢˋ ㄅㄧㄥ

    • leader in full command of the situation
    • master strategist

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
a million soldiers in the chest
Meaning
Describes a leader who has the whole situation in mind and can marshal people and resources well. Approving.

Sources