To begin to understand something.
何かを理解し始める。 (nanika o rikai shimeru)
"It took him a while to catch on to the new rules."
"彼は新しいルールを理解するのに少し時間がかかった。" (kare wa atarashī rūru o rikai suru no ni sukoshi jikan ga kakatta)
to return to a topic or task later
to become very angry or emotional suddenly
A strong connection of trust and affection between friends.
to speak angrily to someone without reason
when performers return to the stage to receive applause
someone new to a place or situation
