Possible Clues:

• Like leftovers, at first
• Tidy after uniform's put away? Not yet
• Still at crease, not bowled: not taken in
• Remaining from a meal
• Left on the dinner table
• Like Daniel in the lions’ den
• A foreign state school on the Thames is left untouched, of course
• Leftover, perhaps
• Not ingested
• Like leftovers, for now