Possible Clues:

• Labour in grief for Tony
• Good try
• Make this with strenth to show one strong at last
• Attempt, endeavour
• Attempt - hard work
• It's a struggle for amphibian to get round
• Exertion required for a newt to get around
• By the sound of it, T is the alternative to F
• It's so trying for the defence at last
• The use of physical or mental energy