Meaning: They temporarily stop thinking about their difficulties or problems.
Choice of Words: Forget - fail to remember something; troubles - difficulties or problems.
Alternative Expressions
They put their troubles behind them.
Meaning: This means that they have stopped thinking about the bad things that happened in the past. It's like saying, They have moved on from the things that made them sad.
Choice of Words:Put means to place something somewhere. Behind means at the back of something. Troubles are things that cause difficulty or sadness. When you put them together, "They put their troubles behind them" means that they have moved on from the things that were making them sad or upset.
They let go of their troubles.
Meaning: This means that they have stopped thinking about the bad things that happened in the past. It's like saying, They have let go of the things that made them sad.
Choice of Words:Let go means to release something. Troubles are things that cause difficulty or sadness. When you put them together, "They let go of their troubles" means that they have stopped holding onto the things that were making them sad or upset.