Stay positive.
Meaning: This means to keep a good attitude and feel hopeful, even when things are difficult. It's like saying, Keep a good attitude and feel hopeful, even when things are difficult.
Choice of Words: Stay means to continue in a particular state or condition. Positive means having a good attitude or feeling hopeful. When you put them together, "Stay positive" means to continue to have a good attitude and feel hopeful.
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Related Expressions