海口 hǎikǒu estuary Origin Definitions Defs Strokes Stroke Words Sentences Sents 海口市 Hǎikǒu Shì Haikou Haikou, prefecture-level city and capital of Hainan Province入海口 rùhǎikǒu estuary 夸海口 kuāhǎikǒu boast to make empty promises or exaggerated claims; to talk big