Related Clues:

• A number work very hard
• Smooth out lumps, in a way
• Run through small holes
• Comb (through)
• Sort out as is coming back with paper
• Use a colander
• Struggle with amoral act on Irish beach
• Mental tension, stress
• In arts (anag)
• Pass through a colander
• Type of express, perhaps, chasing its tail
• Overtax
• Struggle with amoral act across Irish beach
• Sieve, examine closely
• Sunday school air