"Do you own this?"
Translation:Ti sy biau hwn?
On the web version, when you click a topic, a box appears with the 'Start' button. You'll see two smaller buttons just above it, one with a light bulb on it and anther with a key. Click the one with the light bulb to get to the notes for that topic. The light bulb button is missing in the phone app.
Or there is a full set of notes in one page here: https://duome.eu/tips/en/cy
hyn is used as a demonstrative adjective with plurals:
- y cathod hyn - these cats
As a demonstrative pronoun like hon or hwn (this, this one), it is used for intangible things:
- Mae hyn yn wastraff o amser. - This is a waste of time.
- Pryd digwyddodd hyn/hynny? - When did this/that happen?