- - unexpected or hidden obstacle
- - Unexpected drawback (anagram of "nags")
- - unexpected holdup
- - Small problem or difficulty
- - Hit a ... (encounter an unexpected problem)
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- - Unexpected obstacles
- - Unexpected hiccups
- - obstacles to getting horse in ship
- - obstacles to taking horse into ship?
- - Unexpected hiccups in a plan
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- - Unexpected obstacle
- - Minor obstacle, snag
- - Small obstacle in plans that aren't good
- - Unexpected problem
- - Unforeseen obstacle
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- - Hidden obstacles
- - Staples of the game show "Legends of the Hidden Temple"
- - Hidden hazards
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