"The length of each curtain shall be twenty-eight cubits, and the width of each curtain four cubits; all the curtains shall have the same measurements.
Strong's Concordance
Original word: δύσκολος
Transliteration: duskolos
Definition (short): difficult
Definition (full): a sinking, setting
Strong's Exhaustive Concordance
From dus- and kolon (food); properly, fastidious about eating (peevish), i.e. (genitive case) impracticable -- hard.
KJV: And the disciples were astonished at his words. But Jesus answereth again, and saith unto them, Children, how hard is it for them that trust in riches to enter into the kingdom of God!
NASB: The disciples were amazed at His words. But Jesus answered again and said to them, "Children, how hard it is to enter the kingdom of God!