off-limits
adj.
"forbidden," by 1881, U.S. military academies jargon, from off, adv. + limit, n.. Earlier (1857) it was applied to cadets, etc., who were in violation of the limitations on their movement and behavior.
| 词汇 | off-limits |
| 词根词缀 | Online Etymology Dictionary off-limits adj. "forbidden," by 1881, U.S. military academies jargon, from off, adv. + limit, n.. Earlier (1857) it was applied to cadets, etc., who were in violation of the limitations on their movement and behavior. |
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