"information communicated by another, gossip," mid-15c., from phrase to hear say (Middle English heren seien, Old English herdon secgan). The notion is "hear (some people) say;" from hear (v.) + say (v.). As an adjective from 1570s. Hearsay evidence (1670s) is that which the witness gives not from his own perception but what was told to him. Compare similar formation in Dutch hooren zeggen, German h?rensagen.
例文
1. Rumour,myth and hearsay obscure the truth after months of bloodshed.
殺戮が数カ月続いた後、真相はデマ、嘘、噂に隠されて曖昧になった。
2.We can 't make a decision based on hearsay and guesswork.
噂や推測に基づいて決定することはできません。
3.You are only supposing this on hearsay ，you have no proof.
あなたは噂に基づいて想像しているだけで、証拠はありません。
4.They started to piece the story together from hearsay .
彼らは噂に基づいて事の経緯を少しずつ寄せ集め始めた。
5. Hearsay definitely can 't be regarded as accurate information.