"Well," the trainer said, "when they were very young and much smaller, we used the same size rope to tie them and, at that age, it was enough to hold them."

“嗯，”驯兽师说，“当它们还很小的时候，我们用同样尺寸的绳子绑住它们，在那个年龄，这足够拴住它们了。”