1
general::
Also, heavy weather. 1. Difficult, as in Tom found calculus heavy going, or It's going to be heavy weather for us from here on. The first expression originally referred to a road or path that was hard to negotiate; the variant alludes to bad weather at sea. [Mid-1800s] 2. Make heavy weather of. Make hard work or a fuss over something, especially unnecessarily. For example, They made heavy weather of the differences between their proposals, which actually seemed much alike. This use of weather likens a commotion to a storm. [Mid-1900s]
American Heritage Idioms
2
general::
Phrase(s): heavy going
difficult to do, understand, or make progress with. • Jim finds math heavy going. • Talking to Mary is heavy going. She has nothing interesting to say.
McGrawhill's American Idioms And Phrasal Verbs