a poor mountain village; 穷山沟
pitifully poor; 穷得可怜
endless; inexhaustible; 无穷无尽
at one's wits' end; 智穷
Qiong Jian 穷坚
make a thorough [exhaustive] inquiry; 穷究
have an exhaustive check-up 穷竭检查
extremely extravagant and luxurious 穷奢极侈
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)