Take the Biscuit (UK)
Sehr minderwertig, Einwände hervorrufend.
Beispiele
I've seen bad grammar, but this takes the biscuit.
She's been opening my letters – that really takes the biscuit.
Take the Cake (US)
Hervorragend, bemerkenswert (im positiven Sinne).
Beispiele:
Thanks! You guys take the cake.
Once the party was over, everyone agreed that Elizabeth and her Harriet Tubman getup had taken the cake.

Unterrichtssystem;