Parkta koşarsanız çay daha da lezzetli olur.

If you run in the park, tea becomes even more delicious.

Breakdown of Parkta koşarsanız çay daha da lezzetli olur.

• olmak: to be
• çay: the tea
• park: the park
• koşmak: to run

Questions & Answers about Parkta koşarsanız çay daha da lezzetli olur.

What does the suffix -rsanız indicate in koşarsanız?

The suffix -rsanız is the 2nd person plural (or formal singular) conditional marker.
Breakdown:

• koşar = run (aorist stem)
• -sa = if (conditional)
• -nız = you (pl./formal)
  So koşarsanız literally means “if you run.”

Why is the word Parkta used instead of just park?

Parkta = park + -ta (locative case), meaning “in the park.”
In Turkish, to say something happens in/at a place, you add -da/-de (here -ta after a voiceless consonant).

What does daha da add to daha da lezzetli?

• daha alone means “more.”
• daha da intensifies it to “even more.”
  So daha da lezzetli translates as “even more delicious.”

Why is the verb olur used after lezzetli, instead of ise or another form?

Here olur is the simple present of olmak (to be/become). The pattern [adjective] + olur expresses a resulting state:
daha da lezzetli olur = “will become even more delicious.”