yī​hú​zhī​yè

best part of something

Senses

一狐之腋 yī​hú​zhī​yè (also yì​hú​zhī​yè, yī​hú​zhī​yì) best part of something

Literally the fur from a single fox's armpit; used to describe something small but rare and extremely valuable.

References

variant 一狐之腋/一狐之腋 一狐之掖/一狐之掖