in league with
US /ɪn liɡ wɪð/
UK /ɪn liɡ wɪð/

1.
samenspannen met, in het complot zitten met
working together with someone, especially secretly, to achieve something
:
•
The rumors say he was in league with the competition.
De geruchten zeggen dat hij samenspande met de concurrentie.
•
She denied being in league with the protesters.
Ze ontkende samenspanning met de demonstranten.