► 副詞専ら [もっぱら]
meaning: mostly rank: 2☆
彼が
次期社長というのが専らの
噂だ ⇨ The rumor mills mostly say he is the next CEO
☆
私は専ら
ビール党だ ⇨ I mostly drink beer over everything else
More examples:- 専ら自身の過ちを制して、他人の非を謗ること無かれ ⇨ Focus on correcting your own faults, and do not accuse others of wrongdoing