Using the wrong preposition
Confidence in, not to.
Don’t say: I have great confidence to you.
Say: I have great confidence in you.
Note: In confidence: Let me tell you something in confidence (=as a secret).
Using the wrong preposition
Confidence in, not to.
Don’t say: I have great confidence to you.
Say: I have great confidence in you.
Note: In confidence: Let me tell you something in confidence (=as a secret).