become blunt / decline in ability or energy, lose one's edge / lose skill, decline in competence, get rusty

Alternative form of なんまんだぶ (nan man da bu)

to speak with an accent; to have a dialectal or foreign accent

(computing) a notebook computer

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law