Related Clues:

• Ingenious, difficult to analyse
• 'Elusive, delicate (6)'
• 'Fine, elusive (6)'
• Delicate, difficult to describe
• Very fine, difficult to perceive or appreciate
• It's not so simple to have bust the French like this
• Under the top of this, let there be no simple confusion
• Not so simple to have sublet this
• Let it be under the overturned bus in no simple fashion
• The omnibus has overturned, so let it be broken in no obvious way
• The bus overturns. Let it be broken in no simple way
• Elusive or delicate
• Hard to grasp, in a way
• It's short ... it's short even in a short thank you
• Delicate, elusive