have a memory like an elephant

/hav ɐ mˈɛməɹˌi lˈaɪk ɐn ˈɛlɪfənt/

/hæv ɐ mˈɛmɚɹi lˈaɪk ɐn ˈɛlɪfənt/

to have a memory like an elephant

to easily be able to remember things and rarely forget them

Examples

1. It's not that he's untrustworthy, he just has a memory like an elephant.