Word: 一声 (yīshēng) Traditional: 一聲 一声 dictionary entry yīshēng first tone in Mandarin (high, level tone) Full dictionary entry for 一声 Example sentences using 一声 3 sentences, showing page 1 of 1. 他来的话，告诉我一声。 Tā lái dehuà, gàosu wǒ yìshēng. If he comes, let me know. 有两人说他们听到了一声枪响。 Yǒu liǎng rén shuō tāmen tīngdàole yìshēng qiāng xiǎng. Two people say they heard a gunshot. 要是那样的话，跟我说一声。 Yàoshi nàyàng dehuà, gēn wǒ shuō yìshēng. If that happens, let me know.