Here are some examples of how "like a charm" is used:
* "The car started like a charm this morning, after I replaced the battery." This means the car started easily and without any issues.
* "The presentation went like a charm, and the client signed the contract." This means the presentation was successful and the client was happy with it.
* "I was worried about the interview, but it went like a charm." This means the interview was successful and the person felt confident and at ease throughout.
The phrase often implies that the outcome was unexpectedly positive, suggesting that something good happened even though the situation might have been difficult or uncertain.