to finalize or confirm an agreement
заключить или подтвердить соглашение (zaklyuchit ili podtverdit soglashenie)
"Offering a discount helped us seal the deal with the client."
"Предложение скидки помогло нам заключить сделку с клиентом." (predlozhenie skidki pomoglo nam zaklyuchit sdelku s klientom)
an older person trying to look younger
Always stay optimistic, but be ready for any outcome.
don’t worry about minor or unimportant things
to develop positive qualities or strength through challenges
to feel mentally or emotionally unstable
to control or limit something