to feel deeply thankful or obliged to someone
быть в долгу перед кем-то (byt v dolgu pered kem-to)
"I’ll always be indebted to my mentor for his guidance."
"Я всегда буду в долгу перед своим наставником за его руководство." (ya vsegda budu v dolgu pered svoim nastavnikom za ego rukovodstvo)
to switch off lights when not needed to save energy
to sell assets or shares quickly, often at a low price
to stop increasing or decreasing and stay at a steady level
to think of or produce an idea or solution
to define specific objectives or targets
to relax and do nothing stressful