hǎi​shì​shān​méng

to pledge undying love

Senses

海誓山盟 hǎi​shì​shān​méng to pledge undying love

(idiom) to make a solemn oath of eternal love that is as enduring as the mountains and the seas

References

same_as 海誓山盟/海誓山盟 山盟海誓/山盟海誓
same_as 山盟海誓/山盟海誓 海誓山盟/海誓山盟