out of boundsFORBIDif a place is out of bounds, you are not allowed to go there 不得进入 SYN American English off-limitsout of bounds to/for The path by the railway line is officially out of bounds to both cyclists and walkers. 铁路沿线的小路按规定禁止骑车者和步行者进入。
bound to/for• By midnight on the seventh, downtown Los Angeles had been declared out of bounds for military personnel.
→ out of bounds at bound4(2)