早く原因を見つけて、スランプを治して谷崎主任の期待にこたえないと。

tbd

I've got to find the cause quickly, get out of this slump and live up to Mr. Tanizaki's expectations.

「何してるの？」「家計簿をね。うちの家計カチカチだから、こういう所からちゃんとしないと」

tbd

"What're you doing?" "The household books. Our finances are pretty tight so we have to do things properly."

私はお姉ちゃんの夕飯をラップに包んでしまわないと。

tbd

I need to wrap my older sister's dinner in plastic wrap.

I have to wrap my sister's dinner in cling film.

ただ、毎日だとさすがに飽きるだろう。もっと料理のバリエーションを増やさないと。

tbd

It's just if we have it every day we're bound to get fed up with it. I must increase the variety of my cooking.

駄目だよ。君、背が高いんだから前衛に来てくれないと。

tbd

That's no good! You're tall so you've got to be in the forward defence.

他人任せはダメ。ライフセーバーではないが、俺自身が介抱してあげないと。

tbd

I can't leave this to others. I'm no lifesaver but if I don't help her myself....

今日は登校日だ。遅刻しないようにしないと・・・。

tbd

Today's a school day. I'd better make sure not to be late.

彼にお金を返すのを忘れないようにしないと。

tbd

I've got to remember to return this money to him.

髪を整えないと。

tbd

I've got to fix my hair.

電池を入れ替えないと。

tbd

It needs new batteries.