Can someone please give me the English transliteration of this Sanskrit mantra? How do you say it in English?
Om Hreem dharaNendra paarshvanaathaaya namah nidhi darshanam kuru-kuru svaahaa
This is the English transliteration of the above mantra.
However, it looks like Jain mantra.
P.S: There are many variants of Parshvanatha and its consort Sri PadmAvati. It can be found in various agamas (jaina).
The mantra you have given is:
ॐ ह्रीं धरणेन्द्रः पाश्र्वनाथाय नमः निधि दर्शनं कुरु-कुरु स्वाहा । (Devanagari)
Its transliteration in IAST and ITRANS:
oṃ hrīṃ dharaṇendraḥ pāśrvanāthāya namaḥ nidhi darśanaṃ kuru-kuru svāhā । (IAST)
OM hrIM dharaNendraH pAshrvanAthAya namaH nidhi darshanaM kuru-kuru svAhA | (ITRANS)
Read this answer for more details on structure of Mantras.
ॐ ह्रीं धरणेन्द्रः पाश्र्वनाथाय नमः निधि दर्शनं कुरु-कुरु स्वाहा
Google Translation to English:
om hreen dharanendrah paashrvanaathaay namah nidhi darshanan kuru-kuru svaaha
By using following site http://spokensanskrit.de/training/transliteration.php you can translate like below: