衔环结草
xián​huán​jié​cǎo

to express deep gratitude

Senses

衔环结草/ 銜環結草 xián​huán​jié​cǎo to express deep gratitude

(idiom) to express undying gratitude to a benefactor; to vow to repay a kindness in this life or the next. Same as 结草衔环 jié​cǎo​xián​huán.

References

same_as 衔环结草/銜環結草 → 结草衔环/結草銜環