Como dizer "momento de fraqueza" em inglês

Português: momento de fraqueza
Inglês: weak moment, moment of weakness: In English "a moment of weakness" doesn't mean physical weakness, but rather "moral" weakness, a moment when you do something wrong that ordinarily you wouldn't do. - Wordreference

Exemplos:

1. In a weak moment I agreed to let our son rent a truck.
2. You took advantage of me at a moment of weakness.
3. Josh Hamilton: “I had a weak moment … it was just wrong”. Josh Hamilton just spoke to the media about his falling off the wagon on Monday night in Dallas. Hamilton said he had “a weak moment” Monday night. Brought on by “personal reasons, with a family member.”