to make rules or laws stricter
ужесточить правила или законы (uzhestočit' pravila ili zakony)
"The central authority decided to tighten up regulations on foreign trade."
"Центральные власти решили ужесточить правила внешней торговли." (Tsentral'nye vlasti reshilí uzhestočit' pravila vneshney torgovlí.)
to include something in your calculations or predictions abo...
to turn off your microphone so others can’t hear you
to attack or criticize someone fiercely
to unite or collaborate with others for a common purpose
to calmly guide yourself with inner talk during anxiety
to wait patiently without taking action