四声杜鹃 sìshēngdùjuān Indian cuckoo Origin Definitions Defs Strokes Stroke Words Sentences Sents 四声 四聲 sìshēng four tones of Mandarin The four tones of Modern Standard Mandarin: 阴平 yīnpíng, 阳平 yángpíng, 上声 shǎngshēng, and 去声 qùshēng杜鹃 杜鵑 dùjuān cuckoo A bird known for its distinct call and grayish-brown feathers with a long tail; also called 子规 zǐguī or 杜宇 dùyǔ.