doing something one is good at or enjoys
自分が得意なことや楽しんでいることをする (jibun ga tokui na koto ya tanoshinde iru koto o suru)
"He’s in his element when he’s cooking for friends."
"彼は友達のために料理をしているとき自分のエレメントにいる" (kare wa tomodachi no tame ni ryōri o shite iru toki **jibun no eremento ni iru**)
To continue working or functioning when you have no energy l...
to delay doing something
extremely tired or exhausted
feeling discouraged or sad
to make progress or advance
when something is difficult to learn, usually quickly