千疮百孔 (千瘡百孔) qiān chuāng bǎi kǒng

qiān chuāng bǎi kǒng set phrase full of holes; riddled with problems
Domain: Idiom 成语
Notes: Same as 百孔千疮 (CC-CEDICT '百孔千瘡'; Guoyu '千瘡百孔')