The idiom "sing a different tune" means to change your attitude or opinion about something. It is often used when someone has a sudden change of heart or when they start to behave differently than they did before.
For example, if someone was complaining about their job and then suddenly started praising it, you could say "Wow, you're singing a different tune now!" This means that their opinion has changed and they are now saying something different.
You can also use this idiom when someone is being dishonest or insincere. For instance, if someone promises to do something but then changes their mind, you could say "Looks like you're singing a different tune now." This means that they are not being truthful and are changing their story.
In summary, "sing a different tune" is a common idiom used to describe a change in attitude or behavior. It can be used in various situations to express surprise, disappointment, or suspicion.
• The author initially praised the book, but after reading it more closely, she sang a different tune and wrote a scathing review.
• John said he didn't like the new movie, but after watching it with his friends, he sang a different tune.
• The politician promised to lower taxes during the election, but once in office, he sang a different tune.
• The CEO assured the employees that there would be no layoffs, but when the company faced financial troubles, he sang a different tune.
• I used to hate spicy food, but after trying it a few times, now I sing a different tune.
• At first, I was hesitant about joining the gym, but after seeing the results of my friend's workout, I sang a different tune.