How do you say "Can I try this?" in Japanese?

Quick use

Use これをためしてもいいですか (kore o tameshite mo ii desu ka) while shopping when you want to ask if you can try or test something.

Chunk or pattern

• Reusable pattern: 〜 て も / いいですか
• This asks for permission: “Is it okay if I ...?”
• Good swaps here: さわって, つかって, ためして.

Core words

• ためす: to try / test.
• これ: this.

Helper words and endings

• てもいいですか: asks for permission.
• を: marks the thing you want to try.
• ですか: polite question ending.

Practical note

Use this before opening, testing, touching, or using something that may not be okay to handle freely. For clothes, しちゃくしてもいいですか is often more specific.