Here's a breakdown of the sounds:
* да́ (da): The "a" is pronounced like the "a" in "father". The stress is on the first syllable.
* р (r): Pronounced like the English "r".
* л (l): Pronounced like the English "l".
* и (i): Pronounced like the English "ee" in "see".
* н (n): Pronounced like the English "n".
* г (g): Pronounced like the English "g" in "go".
Therefore, the phonetic transcription of "darling" in Russian is [ˈdarlɪŋ].