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   jack up

1. Oxford Dictionary

   jack-up

   • n.
     an offshore drilling rig the legs of which are lowered to the seabed from the operating platform；a dishonest or underhand practice or arrangement

   • noun: jack-up, plural noun: jack-ups

2. • 釋義

   n.

   名詞

   • 1. an offshore drilling rig the legs of which are lowered to the seabed from the operating platform the company describes itself as a leading contractor of jack-up rigs jack-ups capable of drilling in water depths ranging between 30 and 300 feet
   • 2. New Zealand informal a dishonest or underhand practice or arrangement I wouldn't be at all surprised if the whole thing was a jack-up