to not feel confident or certain about something
не чувствовать себя уверенным или уверенным в чем-то (ne chuvstvovat' sebya uverennym ili uverennym v chem-to)
"I’m unsure of what to say in that situation."
"Я не уверен, что сказать в этой ситуации." (Ya ne uveren, chto skazat' v etoy situatsii.)
to drop to the ground; to fail at something
to prepare mentally or physically for something challenging...
to ignore or dismiss an emotion or problem
to prepare or design something for a specific type of career...
to continue progressing with clear goals and motivation
to request information or clarification about something
