Possible Clues:

• Ten altars (anag.)
• A slattern corrupted convert
• Time slowed down taking second to change
• Make accessible
• Explain
• Farsi can become français, if you do this
• Make comprehensible commuter's lament? Not I
• Commuter's complaint — I stopped to make sense of it
• Put differently, Tory leader charged with reprimand
• Decipher stone tablet after time passed