very close and intimate friends
非常に親しくて親密な友達 (hijō ni shitashikute shinmitsu na tomodachi)
"They have been bosom friends since childhood."
"彼らは子供の頃から非常に親しい友達です。" (Karera wa kodomo no koro kara hijō ni shitashī tomodachi desu.)
to pay for something, especially something expensive
to quickly become good friends
jealousy destroys one’s peace of mind
to suddenly become very angry or lose control
to encourage someone to express themselves
Don’t give up or quit.