She doesn't suffer fools gladly, so you better be prepared before you meet her.
Она не терпит дураков, так что тебе лучше подготовиться, прежде чем встретиться с ней.
Определения
To 'suffer fools gladly' means to tolerate or be patient with people who are perceived as foolish, ignorant, or annoying. If someone does not suffer fools gladly, they are easily irritated or impatient with such people.
