a person who works too much and finds it hard to stop
過度に働きすぎて、やめるのが難しい人 (kado ni hatarakisugite, yameru no ga muzukashī hito)
"He’s such a workaholic, even on weekends he works."
"彼はワーカホリックで、週末でも働いています。" (Kare wa **wākahorikku** de, shūmatsu demo hataraiteimasu.)
to disassemble something into pieces
a harmless or small lie told to avoid hurting someone
to achieve the highest position or level in something
Two people who are very similar or close.
to assist someone in a difficult situation
I swear or promise sincerely.