go pear-shaped

US /ɡoʊ pɛər-ʃeɪpt/
UK /ɡoʊ pɛər-ʃeɪpt/
"go pear-shaped" picture
1.

schiefgehen, in die Hose gehen

if a plan or situation goes pear-shaped, it goes wrong

:
Our plans for the picnic went pear-shaped when it started to rain heavily.
Unsere Pläne für das Picknick gingen schief, als es stark zu regnen begann.
The whole project went pear-shaped because of poor management.
Das gesamte Projekt ging schief wegen schlechten Managements.