做…／演奏…（等等）很难
to be very difficult or unpleasant to do, play, etc.
It's a beautiful piece of music but it's a pig to play. 这支曲子很好听，但演奏起来难度很大。
The plane was a pig to fly.
The software is really useful but it's a pig to set up.
His house is in the middle of nowhere and it's a pig to get to.
When you choose a high chair, remember that some of them are a pig to clean.
See also: pig noun