one mao (one-tenth of a yuan), a tiny amount of money
我身上一毛都没有
I don't have a penny on me.
— 一一 (2000)
我们一毛也没有
We don't have a penny.
— 四百击 (1959)
我真的一毛都不敢花
I really don’t dare spend a single cent.
— A Sun (2019)
一毛都没有
I don't have a penny.
— 搏击俱乐部 (1999)
他们连一毛也没付
They didn’t pay a single cent.
— 黄金三镖客 (1966)