What does 理由 (lǐyóu) mean in English?

Card 25NPCR Level 5525/98
CARD25
PROGRESS26%
理由
lǐyóu
reason; ground; argument(Noun)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d