a. Under the weather - To feel unwell or sick. Example: "I can't come to the party tonight; I'm feeling a bit under the weather." b. Weather the storm - To endure a difficult situation or challenge. Example: "Despite the setbacks, we managed to weather the storm and complete the project." c. Come rain or shine - Regardless of any circumstances or conditions. Example: "She's committed to attending the event, come rain or shine." d. Blow hot and cold - To alternate between two contrasting opinions or attitudes. Example: "He blows hot and cold on the idea, making it difficult to know where he stands." e. A ray of sunshine - Something or someone that brings happiness or hope. Example: "His kind words were a ray of sunshine in her difficult day."