feeling sad or bored for a long time
чувствовать себя грустным или скучающим долгое время (chuvstvovat' sebya grustnym ili skuchayushchim dolgoye vremya)
"He’s been in the doldrums since his team lost."
"Он в депрессии с тех пор, как его команда проиграла." (On **v depressii** s tekh por, kak ego komanda proigrala.)
to gradually become calmer after being angry
extremely intense and ruthless competition
To make someone lose confidence or enthusiasm.
To continue practicing a custom so that it is not forgotten
a sudden moment of insight or creativity in AI innovation
to take back what you said