settle (someone's) nerves

Translations
Успокоить (чьи-то) нервы
A cup of tea helped settle her nerves before the interview.
Чашка чая помогла ей успокоить нервы перед интервью.
Definitions
To help someone feel calmer and less anxious or nervous, often by offering reassurance, comfort, or support.
Words
nerve

noun
нерв
settle

verb
урегулировать