Der ganze Eintrag aus dem Cambridge-Link oben :
be (like) catnip to sb/sth
idiom
to be certain to attract or interest a particular person or type of person:
This kind of high school movie is catnip to teenagers. ...
... dazu auch :
https://www.macmillandictionary.com/dictionar...
catnip
noun uncountable
UK /ˈkætnɪp/
... 2 someone or something that cannot be resisted
Alternate universes, parallel lives, and the road not taken are usually irresistible catnip for me.
He was catnip for the media. ...
... das könnte man - je nach genauem Kontext - auch mit "unwiderstehlich sein für jemanden" übersetzen ...
... ansonsten :
related discussion: catnip
related discussion: catnip
related discussion: catnip