| 肝胆相照らす;肝胆相照す | [かんたんあいてらす, kantan'aiterasu] (exp, v5s) to be profoundly compatible; to be inseparable; to be so close as to reveal to each other the bottom of one's heart [Add to Longdo] |
| He and I have been inseparable friends since our student days. | 彼とは学生時代から肝胆相照らす仲だよ。 |