1.   By suggesting this they began quite unwittingly to undermine her confidence in the school and in herself.

2.   His constant criticism was undermining my confidence.

3.   If time began to undermine her confidence in such an outcome, it would be different.

4.   It would also be an offence to cause suspicion or undermine the confidence of the people.

5.   Resentments, rivalry, rebuffs and power struggles appear to have knocked the stuffing out of you and undermined your confidence.

6.   The constant criticism was beginning to undermine her confidence.

7.   The situation in the US was undermining foreign confidence in the dollar.

8.   Miscarriages of justice undermined confidence in our legal system.

9.   The flashes of ridicule or condescension that he directed at the old men in Vichy undermined confidence in his opponents.

10.   This may need to be supported by actual action likely to undermine public confidence in the exchange.