Translation of "Amarelou" in English

Tom amarelou.

Tom chickened out.

Não acredito que você amarelou.

I can't believe you chickened out.

Tom ia voar de asa-delta, mas aí amarelou.

Tom was going to go hang gliding, but then he chickened out.

A minha unha amarelou depois de apanhar um fungo.

My nail got attacked by a fungus and turned yellow.

Tom tinha planejado pedir aumento de salário ao chefe, mas amarelou.

Tom had planned to ask his boss for a raise, but he chickened out.