I'm a little disappointed.
A2Expressing mild dissatisfaction.
I'm not entirely happy with...
A2Expressing dissatisfaction.
It's a bit of a problem.
A2Indicating a minor issue.
There seems to be a mistake.
A2Politely pointing out an error.
I'm having a little trouble with...
A2Indicating a minor difficulty.
Could you possibly...
A2Polite request for help or change.
I'm not sure this is quite right.
A2Expressing uncertainty about something.
I think there might be a problem.
A2Suggesting a potential issue.
I was hoping for...
A2Expressing a wish or expectation.
This isn't quite what I expected.
A2Expressing disappointment with something.
I'm a bit concerned about...
A2Expressing worry or apprehension.
I'm not sure I understand.
A2Expressing confusion or lack of understanding.
Perhaps we could...
A2Suggesting an alternative or solution.
I'd appreciate it if...
A2Politely requesting something.
I'm afraid there's a slight problem.
A2Politely informing about a problem.
Excuse me, but...
A2Starting a polite complaint.
I'm sorry to bother you, but...
A2Apologizing before making a complaint.
I have a small question.
A2A polite way to start a complaint by asking a question.
Is it possible to...
A2Politely asking for a solution.
I wonder if you could...
A2A polite request.
I'm a little concerned about...
B1Expressing a worry or apprehension politely.
I'm not entirely happy with...
B1Expressing dissatisfaction in a mild way.
I have a slight issue with...
B1Pointing out a problem subtly.
I'm having a bit of trouble with...
B1Describing a difficulty politely.