What is the English translation of the Spanish phrase Lo siento?

The root of the verb for 'Lo siento' - sentir - means 'to feel.' Literally, "Lo siento" means 'I feel it." However, there are elements to the connotation of the Word that involve hurt, pain, lament, etc. So it's a fairly good English translation to say 'Lo siento' means 'I'm sorry,' which is how it is regularly translated.