able to understand things quickly
schnell im Verstehen
"You don’t need to explain it twice—he’s quick on the uptake."
"Du musst es nicht zweimal erklären—er ist schnell im Verstehen."
looking at things in shops without buying them
to ruin a chance or opportunity by mistake
to express gratitude
to try to match your neighbors or peers in wealth or possess...
to obey rules or follow the official policy
someone or something that brings happiness