balked

n.

the area on a billiard table behind the balkline

"a player with ball in hand must play from the balk"

同义词：baulk

something immaterial that interferes with or delays action or progress

同义词：hindrancehinderancedeterrentimpedimentbaulkcheckhandicap

one of several parallel sloping beams that support a roof

同义词：rafterbaulk

an illegal pitching motion while runners are on base

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The pilot model balked landing simulation project: A government, industry and national research cooperation
THE PILOT MODEL BALKED LANDING SIMULATION PROJECT: A GOVERNMENT, INDUSTRY AND NATIONAL RESEARCH COOPERATION
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Over a (Pork) Barrel: The Senate Rejects Peer Review: The Defense Department balked at some less-than-explicit orders on where to sp...