to act or compete against someone in a transaction
agir ou concourir contre quelqu'un dans une transaction (agir ou concourir contre quelqu'un dans une transaction)
"He dealt against his rival in the stock market."
"Il a agi contre son rival dans le marché boursier." (Il a agi contre son rival dans le marché boursier.)
to engage in activities that make you genuinely happy
to calmly guide yourself with inner talk during anxiety
to gradually allow stress to disappear or lessen
to fail to understand each other during a discussion
to release tension and stop worrying
to react with extreme surprise, anger, or excitement