It's icy and slippery out there, you could slip and fall and break one of your bones. Then you won't be able to play at all.
You can't control your bicycle on the ice and snow. It's too slippery. You could fall and break a bone. Then you can't have any more fun.
ーIt's icy and slippery out there, you could slip and fall and break one of your bones. Then you won't be able to play at all.
「外は凍って滑りやすいから、滑って転んで骨が折れちゃうかもよ。そしたら全然遊べなくなっちゃうよ。」
icy「氷で覆われた」
slippery「つるつるした・よく滑る」
slip「滑る」
fall「転ぶ」
break a bone「骨を折る」
ーYou can't control your bicycle on the ice and snow. It's too slippery. You could fall and break a bone. Then you can't have any more fun.
「氷と雪の上で自転車をコントロールできないよ。つるつるすぎる。転んで骨折れちゃうよ。そしたら何も楽しいことできないよ。」
can't control your bicycle「自転車をコントロールできない」
ice「氷」
snow「雪」
can't have any more fun「もう楽しいことができない」
ご参考まで！
カナダ 
