Meanings
From horse racing.
How to pronounce "heavy going":
AU
Going (i.e. conditions) that are wet and muddy (difficult to gallop on)
Something that is boring; difficult to make progress on, or tedious
Example Sentences
1
The philosophy book I'm reading is heavy going.
2
The professor's lecture on advanced calculus was heavy going for most of the students.
3
I tried reading that novel, but found it too heavy going for my taste.
4
The academic article was heavy going due to the complex terminology.
5
The technical manual is heavy going for beginners in the field.