► 動詞恐る  [(2)おそる]  [liter]    
meaning:  fear  rank: 4☆ 
彼など恐るるに
足らない ⇨ There is no need to fear him
More examples:- 彼女は恐る恐る戸を開けたが、中には誰もいなかった ⇨ She fearfully opened the door but there was nobody inside
 - 核爆弾の恐るべき破壊力 ⇨ Horrifying destructive power of nuclear bombs
 - 彼等は恐るに足りない ⇨ There is no need to fear them