zuān​niú​jiǎo​jiān

to split hairs

Senses

钻牛角尖/ 鑽牛角尖 zuān​niú​jiǎo​jiān to split hairs

To waste time or energy on insignificant or insoluble problems; to be overly stubborn or obsessive about a dead end.

References

variant 钻牛角尖/鑽牛角尖 钻牛角/鑽牛角
variant 钻牛角尖/鑽牛角尖 钻牛犄角/鑽牛犄角
see 牛角尖/牛角尖 钻牛角尖/鑽牛角尖
same_as 钻牛角/鑽牛角 钻牛角尖/鑽牛角尖