I can only surmise that he left early because he was tired.
我只能推测他提前离开是因为累了。
From the scattered clues and the witness's hesitant testimony, the detective surmised that the suspect had been planning the escape for weeks.
根据零散的线索和证人犹豫不决的证词,侦探推测嫌疑人已经策划逃跑数周了。
约翰·济慈(John Keats)在十四行诗 On First Looking into Chapman's Homer 中写道:"Then felt I like some watcher of the skies / When a new planet swims into his ken; / Or like stout Cortez when with eagle eyes / He star'd at the Pacific — and all his men / Look'd at each other with a wild surmise",这里 surmise 传达了一种面对未知时既震撼又充满猜想的复杂情绪,是该词在英语文学中最著名的用例之一。