From Longman Dictionary of Contemporary Englishall too/only tooall too/only tooTOO/TOO MUCHused to emphasize that a particular situation exists when you wish it did not exist Beggars are becoming an all too familiar sight in our cities. I regret to say that these rumours are only too true. → too
Examples from the Corpus
all too/only too• Violent behavior is all too common in our society. 