a small wild flower with white petals around a yellow centre; a taller plant with similar but larger flowers 雏菊（花）；（类似雏菊，但花稍大的）菊科植物 
Oxford Collocations DictionaryDaisy is used before these nouns:- chain
Word OriginOld English dæges ēage ‘day's eye’ (because the flower opens in the morning and closes at night).
Idioms
be pushing up (the) daisies
- (old-fashioned, humorous)
to be dead and buried in the ground 葬入地下；正忙着滋养冢上黄花