liǎng​lèi​chā​dāo

self-sacrifice for friends

两肋插刀 (兩肋插刀) liǎng​lèi​chā​dāo
self-sacrifice for friends idiom
to value friendship so highly that one is willing to face any danger or make any sacrifice for a friend

Frequency

Movie subtitles
0.600 per million appears in 0% of films
Written text
0.381 per million

Sources

Definitions
CC-CEDICT