a sudden clever idea or solution
eine plötzliche, clevere Idee oder Lösung (eine plotzliche, clevere idee oder losung)
"I had a brainwave and realized how to fix the issue."
"Ich hatte eine Gehirnwelle und erkannte, wie man das Problem löst." (Ich hatte **eine Gehirnwelle** und erkannte, wie man das Problem löst.)
to prepare everything for something to happen
to resume a relationship after breaking up
to plan your own path or future independently
feeling extremely happy or successful
a friend you have known for a long time
to achieve success very quickly