A couple works hard but is still poor, and meets the new year with a sigh. On new years, a man can't sell his hemp so he trades it for an umbrella. An honest cow-herd meets a strange monster who can read thoughts.
After that, whenever 
they started to sigh,
A partir de ese momento, 
cada vez que tenían dificultades,
A partir de ese momento, 
cada vez que lo pasaban mal,
Depois disso, sempre que eles suspiravam,