beard the lion in his den
US /bɪrd ðə ˈlaɪən ɪn hɪz dɛn/
UK /bɪrd ðə ˈlaɪən ɪn hɪz dɛn/
1.
虎穴に入る, 敵の本拠地に乗り込む
to confront an adversary on his or her own ground
:
•
He decided to beard the lion in his den and confront his boss about the unfair treatment.
彼は虎穴に入り、不公平な扱いについて上司に立ち向かうことを決めた。
•
Despite the risks, she chose to beard the lion in his den and present her controversial proposal directly to the board.
リスクにもかかわらず、彼女は虎穴に入り、物議を醸す提案を直接理事会に提出することを選んだ。