如果不是更輕的話，它至少是輕如羽毛，可是即使是最強壯的人也無法握住它超

如果不是更輕的話，它至少是輕如羽毛，可是即使是最強壯的人也無法握住它超過10分鐘

Results (English) 1:

If it is not lighter, it is at least as light as a feather, but even the strongest person cannot hold it for more than 10 minutes.

Results (English) 2:

If it's not lighter, it's at least as light as a feather, but even the strongest can't hold it for more than 10 minutes

Results (English) 3:

It's as light as a feather, if not lighter, but even the strongest person can't hold it for more than 10 minutes