to contribute to a community or cause that has supported you
внести вклад в сообщество или дело, которое вас поддержало (vnyesti vklad v soobshchestvo ili delo, kotoroe vas podderzhalo)
"He believes everyone should give back to society in some way."
"Он верит, что каждый должен отдавать обществу каким-то образом." (On verit, chto kazhdyj dolzhen **otdavat' obshchestvu** kakim-to obrazom.)
to keep emotions hidden instead of expressing them
to become distant from someone emotionally over time
to introduce changes to improve a system or policy
to share knowledge or information so more people understand...
to explain something clearly and in detail
to go beyond limits or expectations