flint for starting fire; fuse; white film over eye; cataract; the hardened meat of an overgrown betelnut; direction in which canoe is sailed against the wind (requiring zigzag movement of canoe); tack.
> Like a fish in deep, clear water, eaten only with the eyes.
Fish are not easily caught in clear water. The idiom applies to that which may be admired but not obtained, like an expensive item or another man's beautiful sweetheart.