A hair in the butter phrase
Used to refer to a challenging or difficult problem or situation
I'm short-sighted, so forgetting my glasses is a real hair in the butter for my sight.
Wearing masks and working outside in the hot weather has proven to be a hair in the butter for laborers.
To have to accept some troubles or worries that must be handled by oneself
That is the biggest or most difficult problem (with the situation being discussed)
Completely controlling over a scenario or situation.
1. To physically attack someone or use physical violence against someone
2. To provide a person with all of the possible choices
This phrase hints at the difficulty of picking a single hair out of a slippery substance such as butter.