blind people touch an elephant (idiom, from Nirvana sutra 大般涅槃經|大般涅盘经[da4 ban1 Nie4 pan2 jing1]); fig. unable to see the big picture
to mistake the part for the whole
unable to see the wood for the trees
Definitions (粵典–words.hk)
語句
比喻唔了解全局，而以偏概全 to mistake a part for the whole; to jump to a conclusion based on partial understanding; literally "blind people touch an elephant"
近義詞
瞎子摸象
Definitions (Wiktionary)
phrase, figuratively, idiomatic
to draw (incorrect) conclusions from partial understanding (syn.) 众盲摸象, 眾盲摸象, 瞎子摸象