hoi2 sai6 saan1 mang4海誓山盟

Jyutpinghoi2 sai6 saan1 mang4
Yalehói saih sāan màhng

Definition

To pledge undying love; an oath of eternal love.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
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Particle
Connector