bosom 胸について

bosom とは胸（とくに女性の胸）のことだが、腹の意味でも使われる。&:31 when his health started to deteriorate North Korea's neighbors were worried about who would succeed him and what might happen if Kim Join-Il were to disappear suddenly. but within the Kim family's secretive bosom, the decision had long since been made. 腹の中では

Kim Jong Un: The Unauthorized - Biography Documentary
https://www.youtube.com/watch?v=80Ya2WQIx9Q  1:15 In the beauty of the lilies Christ was born across the sea, with a glory in his bosom that transfigures you and me. ここではイエスの胸、心くらいの意味。
The Battle Hymn of The Republic Joan Baez

参考リンク
http://bridge-english.blogspot.jp/2014/01/blog-post_12.html  手の内を明かさないを英語でなんと言うか？
http://bridge-english.blogspot.jp/2011/02/haragei.html  腹芸は日本のお家芸か？haragei