Grammar › N5 · 03 Particles and where things are
だけ: only; just
N5 · 03 Particles and where things are
Limits something to the stated amount or thing.
N/V + だけ. Replaces は/が/を but keeps に/で: 私にだけ. 〜だけでなく = not only. With a positive verb; for negative use しか.
Examples
コーヒーだけ飲みます。
I only drink coffee.
この秘密は私だけが知っています。
Only I know this secret.