The idiom "be like chalk and cheese" means that two things or people are very different from each other and have nothing in common. It is often used to describe two people who have completely different personalities, interests, or behaviors.
For example, if you have two friends who are very different from each other, you can say "They are like chalk and cheese." This means that they are so different that they might not get along well.
The idiom comes from the fact that chalk and cheese are two very different substances. Chalk is a dry, powdery substance that is used for writing or drawing, while cheese is a soft, creamy food that is made from milk. They are completely different from each other and have nothing in common.
In summary, you can use the idiom "be like chalk and cheese" when you want to describe two things or people that are very different from each other and have nothing in common.
• The CEO's management style is like chalk and cheese compared to her predecessor's. She encourages innovation and risk-taking, while the previous CEO was very conservative.
• The two artists' styles are like chalk and cheese. One paints realistic portraits, while the other creates abstract sculptures.
• The two candidates for the job were like chalk and cheese. One had years of experience, and the other was fresh out of college.
• The two countries' cultures are like chalk and cheese. In one, punctuality is highly valued, while in the other, it's considered rude to arrive on time.
• My sister and I are like chalk and cheese. She loves spicy food, but I can't eat anything too hot.
• The new neighbors are like chalk and cheese compared to the old ones. They throw loud parties every weekend, while the previous ones were very quiet.