have second thoughts

tener dudas, replantearse algo

• I'm having second thoughts about taking the job in Berlin.
• She had second thoughts about investing in the new project after seeing the risks involved.
• After signing the contract, he started to have second thoughts about the move.

'Have second thoughts' is used when someone starts to question a decision they previously made. It is a common expression in both spoken and written English, suitable for both informal and formal contexts.

A common mistake is to say 'have doubts' instead of 'have second thoughts'. While both phrases might seem similar, 'have doubts' does not always imply a prior decision was made, which is crucial for 'have second thoughts'.

• play devil's advocate
  hacer de abogado del diablo
• in the grand scheme of things
  en el gran esquema de las cosas, a fin de cuentas
• take (something) with a pinch of salt
  tomarse algo con pinzas / con cautela
• splitting hairs
  hilar muy fino, buscarle tres pies al gato