心腹之交 meaning in English

a very intimate friend; a bosom friend

You are in each other's confidence .
你们是心腹之交。
Anne and diana are bosom friends
安妮和黛安娜是心腹之交。
Either you are in each other ' s confidence
你们两是心腹之交
" you either chuse this method of passing the evening because you are in each other s confidence , and have secret affairs to discuss , or because you are conscious that your figures appear to the greatest advantage in walking ; - if the first , i should be completely in your way ; - and if the second , i can admire you much better as i sit by the fire .
达西等她一住口，便马上说： “我非常愿意解释一下，事情不外乎是这样的，你们是心腹之交，所以选择了这个办法来消磨黄昏，还要谈谈私事，否则就是你们自以为散起步来体态显得特别好看，所以要散散步。倘若是出于第一个动机，我夹在你们一起就会妨碍你们假若是出于第二个动机，那么我坐在火炉旁边可以更好地欣赏你们。 ”