extremely fast
чрезвычайно быстрый (chrezvychajno bystryj)
"She replied lightning fast to the email."
"Она ответила на письмо чрезвычайно быстро." (Ona otvetila na pismo chrezvychajno bystro)
to be in control of a situation
to cause problems or upset a stable situation
to avoid someone or something
to succeed in maintaining peace after a conflict
to remain calm and not get too emotional
to continue progressing without slowing down