My old neighbor seems to have bats in the belfry; she talks to her garden gnomes.

我的老邻居似乎有点神经病；她和她的花园小矮人说话。

I think he might have bats in the belfry, considering his strange theories about aliens.

考虑到他对外星人的奇怪理论，我觉得他可能有点神经病。