(straight) from the horse's mouth
US /streɪt frəm ðə ˈhɔrsɪz maʊθ/
UK /streɪt frəm ðə ˈhɔrsɪz maʊθ/

1.
直接从可靠来源, 从马口里
from the original or a reliable source
:
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I heard it straight from the horse's mouth that the company is merging.
我直接从可靠来源得知公司正在合并。
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You can trust this information; it came straight from the horse's mouth.
你可以相信这个信息;它直接来自可靠来源。