old bats

Everybody said that the old man had bats in his belfry .

人人都说那老头是神经病。

Old World fruit bats ( Pteropodidae ) feed mainly on fruit , flowers , nectar and pollen , the diets which are thought to be poor in protein and especially poor in essential nutrients like fat-soluble vitamins .

果蝠特别是狐蝠科的旧大陆果蝠，主要以水果、花蜜等植物性食物为食，这些食物往往蛋白质含量很低且缺少许多生物体必须的营养元素比如脂溶性维生素等。

Any of various Old or New World bats having very long ears .

新、旧大陆各种耳朵很长的蝙蝠。

An old superstition says that bats often try to get caught in the long hair of women .

有个古老的迷信看法，认为：蝙蝠常常试图钻进女人的长发中去。

Everybody knows the old man 's got bats in the belfry , but some of his ideas are not as crazy as they sound .

大家都知道这老头儿精神有点失常，可是他有些想法听起来并不那么古怪。