adverb/en un aˌbɾiɾ i θeˌraɾ de ˈoxos/
in the wink of an eye, in the blink of an eye, in the twinkling of an eye; at the drop of a hat, at a moment's notice, in a heartbeat
“No está fino, duda, se enreda. Y, en un abrir y cerrar de ojos, ha recibido una sacudida tremenda.” — [Djokovic] isn't fine-tuned, he's doubting, he's bamboozled. And then, in the blink of an eye, he's been shaken about like crazy.
Literally, “in an opening and closing of eyes”.