out of sorts
The phrase "out of sorts" refers to a feeling of being unwell, physically or emotionally, and not quite oneself. It often implies a state of irritability, discomfort, or a lack of usual energy or enthusiasm. It can be used to describe someone who is experiencing specific symptoms or simply feeling a general sense of being off or out of their usual routine or state of well-being.
English is confusing! Why do people say "Pardon my French" when they are speaking English? Because of idioms!
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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