to fulfill one's obligation, especially in a difficult situation
自分の義務を果たすこと、特に困難な状況で (jibun no gimu o hatasu koto, tokuni konnan na jokyo de)
"Firefighters answered the call of duty during the massive fire."
"消防士たちは大火の際にその義務を果たしました。" (shobosho tachi wa daika no sai ni sono gimu o hatashimashita)
to deal with a lot of information or material
to have an interest or investment in something
enjoying yourself greatly
to become extremely popular online
to speak confidently about something
to set a limit on what is acceptable
