大杜鹃 dàdùjuān common cuckoo Definitions Defs Origin Strokes Stroke Words Sentences Sents 大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult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.