have a cog loose的用法和樣例：
例句
用作動詞 (v.)
- She went a bit odd and had to be put away.
她有點不正常，只好送進了瘋人院。 - Your ideas haven't been up to par lately.
最近你的一些設想實在都不正常。 - She damned his character for a few faults.
她抓住一點點毛病就說他的品質很壞。
辭彙搭配
- have a cog loose 有點不正常
