to suddenly have a clever idea
avoir soudain une idée brillante (avwar soudan une ide brillante)
"I had a brainwave and solved the puzzle."
"J'ai eu une idée brillante et j'ai résolu l'énigme." (je eu une ide brillante e je resolu lenigm)
a small visible part of a much larger problem
to feel extremely anxious or scared
a vote that is not yet decided and could go either way
to make others happy with your positivity
to discuss something thoroughly
to have a complaint or disagreement with someone