half round saw的意思|示意

Half of the men watched two outward journeys. The others saw a round trip.

一半人观看两组外出旅程的影片，另一半人观看往返旅程的影片。

Perhaps I heard a sound or saw his shadow moving, I don't know. But when I looked round, there he was, half-way towards me with the knife in his right hand!

也许我听见了什么声音或看见了他的影子在动，当我回过头去的时候，汉兹右手举着刀都快到我眼前了！