参考译文

food idioms 12
趣味食品idioms 12 [下午茶－趣味食品习语]

take with a grain of salt
MEANING: accept or believe only part of something
You should take everything that he says with a grain of salt as everyone knows that he likes to exaggerate things when he is speaking.

upset the applecart
MEANING: ruin a plan or event by surprise or accident
Everything was going well at the company until he came along and upset the apple cart.

worth one's salt
MEANING: being a good worker, worth what one is paid
He has only been working here for a month but over and over he has proved that he is worth his salt.