で遊んじゃ

don't play (with/in)

→ で

phrase Rare #31,442

don't play (with/in) A contraction of で遊んでは, used with ダメ／駄目 to say that playing with or in something is not allowed. The particle で indicates the place or object involved.

JA: そのおもちゃで遊んじゃダメだよ。

EN: Don't play with that toy.

この部屋で遊んじゃ駄目だからね。

You're not allowed to play in this room, okay?

その鍵で遊んじゃダメよ。

Don't play with that key.

日が落ちたら、森で遊んじゃダメだぞ。

Don’t play in the forest after dark.

たき火で遊んじゃだめだよ。

Don't play with the campfire.

絶対にここで遊んじゃ駄目だ。

You must never play here.

その鍵で遊んじゃダメ！

Don’t play with that key!