profiter de
She took advantage of my ignorance.
Elle a profité de mon ignorance.
John took advantage of Bill's weakness.
John a profité de la faiblesse de Bill.
Tu as profité de moi.
I took advantage of an opportunity.
J’ai saisi une occasion.
We took advantage of the fine weather to play tennis.
Nous avons profité du beau temps pour jouer au tennis.