noun
bare hands; empty-handed; from nothing
Used in set phrases like 空拳で立ち向かう (to face something bare-handed) or 空拳から始める (to start from nothing). Often implies facing a challenge without weapons or resources.
彼は空拳で強盗に立ち向かった。
He confronted the robber with his bare hands.
空拳から事業を始めて、今では大企業になった。
He started his business from nothing, and now it has become a large company.