to worry about; to be worried about; to fret about; to not know what to do; to be at a loss (as to what to do)
to be sluggish; to make little progress; to show little growth; to fail to improve; to level off; to not grow as much as expected
to reach an impasse; to come to a standstill; to be deadlocked; to make no progress
to reach an impasse; to come to a standstill; to be deadlocked; to make no progress
to be grievously troubled