The phrase often describes metaphorical actions, not just physical ones. She had to bash on with planning the event, despite setbacks.
Pro Tip 2/3
Determining Context
The phrase can sound informal, so it’s important to judge whether it's suitable for the situation. He decided to bash on with his startup idea despite doubts.
Pro Tip 3/3
Not Physical
For this meaning, 'bash on' isn't about hitting, but pushing forward with effort. They had to bash on through the tough negotiations.