手洗(てあら)いwashing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)

手洗(てあら)いもトイレも同(おな)じ意味(いみ)です。

'Restroom' and 'toilet' have the same meaning. {washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)}

服(ふく)屋(や)：「この服(ふく)は手洗(てあら)いして下(くだ)さい。」

Clothing Store: 'Please hand wash this clothing.' {washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)}

母(はは)：「手洗(てあら)いで用(よう)を足(た)した後(あと)は、必(かなら)ず手(て)を洗(あら)いなさい。」

Mother: 'Always wash your hands after using the restroom.' {washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)}

セーターに限(かぎ)らず、大切(たいせつ)な服(ふく)は洗濯(せんたく)機(き)ではなくて手洗(てあら)いをするべきだ。

Not only sweaters, but all important clothes should be hand washed, not in a washing machine. {washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)}

この服(ふく)を洗濯(せんたく)機(き)で洗(あら)っても大丈夫(だいじょうぶ)ですか？それとも手洗(てあら)いをするべきですか？

Can I wash this clothes in the washing machine? Or should I hand wash it? {washing one's hands, water (or basin, etc.) for washing one's hands, restroom, lavatory, toilet, hand-washing (laundry, etc.)}