無(む)断(だん)で() mudande欠(けっ)席(せき) kessekiすべき subekiではない dehanai。 You shouldn't skip class without notice. Literal Without-notice absent-be should-not. 無断 = 'without permission, without notice' — 無 (none) + 断 (refusal, formal notification). 欠席 = 'absence' (schools, meetings). すべきではない = 'should not' — the negative of べき with the formal copula. Formal school/office register. schooleducationlife advice~べきではない (should not)
無(む)断(だん)で() mudande欠(けっ)席(せき) kessekiすべき subekiではない dehanai。 You shouldn't skip class without notice. Literal Without-notice absent-be should-not. 無断 = 'without permission, without notice' — 無 (none) + 断 (refusal, formal notification). 欠席 = 'absence' (schools, meetings). すべきではない = 'should not' — the negative of べき with the formal copula. Formal school/office register. schooleducationlife advice~べきではない (should not)