To be very close friends
とても親しい友達である (totemo shitashii tomodachi de aru)
"They've been thick as thieves ever since childhood."
"彼らは子供の頃からとても親しい友達です。" (karera wa kodomo no koro kara totemo shitashii tomodachi desu)
to rely on or trust someone to do something
the genuine or original thing
to enter a new activity slowly and comfortably
the ability to predict the future
to study or explore something in great depth
To speak honestly and sincerely.
