「白果」

(pos:名詞)
yue:#銀杏 樹嘅果實
eng:ginkgo; usually referring to its seeds
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<explanation>
yue:冇收穫，#白做
eng:fruitless endeavour
<eg>
yue:#食白果 (sik6 baak6 gwo2)
eng:to do something in vain