líng​xī

mutual sensitivity

灵犀 (靈犀) líng​xī
mutual sensitivity
a meeting of minds or a tacit mutual understanding, especially referring to the exchange of romantic feelings
rhinoceros horn
a rhinoceros horn, traditionally reputed to possess a white vein connecting the two ends and conferring telepathic or supernatural powers

Frequency

Written text
0.676 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)