to control your emotions
контролировать свои эмоции (kontrolirovat svoi emotsii)
"It's important to keep your emotions in check during a meeting."
"Важно контролировать свои эмоции во время встречи." (vazhno kontrolirovat svoi emotsii vo vremya vstrechi)
extremely sad about something or someone
to set a higher standard or level of quality
To try to make the best possible impression
to make an effort to improve your performance
to take advantage of a trend or situation
Very quickly, almost instantaneously.