兴头上 xìngtóushàng in the mood Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他正谈在兴头上,你别打断他。 tā zhèng tán zài xìngtóushàng, nǐ bié dǎduàn tā. He's in the middle of an enthusiastic conversation; don't interrupt him. Source: Dong Chinese Dictionary