He had been standing a long time in that position, for I saw a pair of ousels passing and repassing scarcely three feet from him, busy in building their nest, and regarding his proximity no more than that of a piece of timber.

他在那个位置站了很长时间，因为我看到一对 ousels 在距离他不到三英尺的地方经过和重新经过，忙着筑巢，并且认为他的距离不超过一块木头。