It's not very good.
A2Expressing dissatisfaction with something.
I'm not happy with...
A2Expressing dissatisfaction.
It could be better.
A2Suggesting improvement.
This is a problem.
A2Highlighting an issue.
I have a suggestion.
A2Offering a suggestion.
Maybe we could...
A2Suggesting a possibility.
I think we should...
A2Offering a suggestion.
It's not working.
A2Stating something is malfunctioning.
There's a mistake.
A2Pointing out an error.
It's too expensive.
A2Complaining about the cost.
It's too difficult.
A2Complaining about the difficulty.
I'm not sure about...
A2Expressing uncertainty or doubt.
I'm concerned about...
A2Expressing worry.
It's not clear.
A2Something is unclear or ambiguous.
It's broken.
A2Something is damaged.
I'd prefer...
A2Expressing a preference.
What about...
A2Suggesting an alternative.
I disagree.
A2Expressing disagreement.
That's wrong.
A2Indicating an error.
It's inconvenient.
A2Something is causing difficulty or trouble.
I'm not satisfied with...
B1Expressing dissatisfaction with something.
I have a complaint about...
B1Formally stating a complaint.
This is unacceptable.
B1Expressing strong disapproval.
I'd like to make a suggestion.
B1Offering a suggestion politely.