to succeed at something easily
добиться чего-то легко (dobit'sya chego-to legko)
"With all that practice, you’ll sail through the interview."
"С этими тренировками ты легко пройдешь собеседование." (s etimi trenirovkami ty legko proidesh sobesedovanie)
do whatever makes you happy or interested
to speak at length about a topic
to find a problem or defect in a system
a state of peace maintained by following laws
feeling very worried or tense because of problems
a strong and determined person