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UK(as) sound as a roach
/az sˈaʊnd az ɐ ɹˈəʊtʃ/
/æz sˈaʊnd æz ɐ ɹˈoʊtʃ/(as) sound as a roach
[PHRASE]
What is the origin of the idiom "sound as a roach" and when to use it?
The idiom "sound as a roach" is thought to have originated in the 18th century. It is believed to be a reference to the fact that cockroaches are very resilient creatures. They can survive in a variety of harsh environments, and they are very difficult to kill. As a result, they came to be seen as a symbol of good health and vitality.
Examples
1. After a rigorous workout, Sarah felt as sound as a roach, ready to take on any challenge.
2. After a rigorous workout, Sarah felt as sound as a roach, ready to take on any challenge.
3. Despite his age, the elderly man's mind was sound as a roach, with a sharp memory and quick wit.
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