不(ふ)用(よう)意(い) fuyouiに ni秘(ひ)密(みつ) himitsuを o洩(も)ら()し()ち()ゃ() morashichaだめ dameだ daよ yo。 Don't carelessly let secrets slip! Literal Carelessly secrets [object-を] leak [must not-ちゃだめだよ]. 不用意に = 'carelessly/inadvertently.' 洩らす = 'to leak/divulge.' ~ちゃだめだ is a casual prohibition: contraction of ~てはだめだ ('mustn't'). よ adds assertion. advice and suggestions~てはいけない (must not)~てしまう (regret/completion)
不(ふ)用(よう)意(い) fuyouiに ni秘(ひ)密(みつ) himitsuを o洩(も)ら()し()ち()ゃ() morashichaだめ dameだ daよ yo。 Don't carelessly let secrets slip! Literal Carelessly secrets [object-を] leak [must not-ちゃだめだよ]. 不用意に = 'carelessly/inadvertently.' 洩らす = 'to leak/divulge.' ~ちゃだめだ is a casual prohibition: contraction of ~てはだめだ ('mustn't'). よ adds assertion. advice and suggestions~てはいけない (must not)~てしまう (regret/completion)