1 Double cross
2 Keep your hands clean / keep your nose clean
3 Tit for tat
4 A fly in the ointment
6 Put a spanner in the works
The Phrase Thesaurus is a writers' resource that stimulates ideas for headlines, copy, song lyrics, fiction writing etc.
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When it comes to memorable quotations, many prominent people save the best until last. See our list of Famous Last Words to find out who said what before they bit the dust. Also, a special form of last words - notable suicide notes.