el cuento de nunca acabar
estar al caer
acabar con + sustantivo
ser la gota que colma el vaso
acabar de + infinitivo
caer en algo
se acabó lo que se daba
caer bien/mal alguien
caer enfermo/a
estar metido/a en
to be involved in
a never-ending story
to remember something, to realise something
to like/dislike someone
It’s over! End of story!
to be the last straw (the final straw that breaks the camel’s back)
to be about to arrive
to become ill
to put an end to
to have just done something