be (only) to be expected
To be typical or unsurprising. Unfortunately, post-surgical pain is to be expected. That type of contemptuous reaction is only to be expected from such a cretin.
be (only) to be exˈpected
be likely to happen; be quite normal: A little tiredness after taking these drugs is to be expected.‘I’m afraid I’m very nervous.’ ‘Don’t worry, that’s only to be expected.’