late 14c., "unable to be loosened," from Latin insolubilis "that cannot be loosened," from in- "not" (see in- (1)) + solubilis (see soluble). Figurative use, of problems, etc., is from late 14c.
It was a tacit conviction of the learned during the Middle Ages that no such thing as an insoluble question existed. There might be matters that presented serious difficulties, but if you could lay them before the right man -- some Arab in Spain, for instance, omniscient by reason of studies into the details of which it was better not to inquire -- he would give you a conclusive answer. The real trouble was only to find your man. [Gertrude Bell, "The Desert and the Sown," 1907]
实用例句
1. I pushed the problem aside; at present it was insoluble.
我把问题抛在一边，目前它还无法解决。
来自柯林斯例句
2. Carotenes are insoluble in water and soluble in oils and fats.
胡萝卜素不溶于水，但可溶于油类和脂肪。
来自柯林斯例句
3. These chemicals are practically insoluble in water.
这些化学物质几乎不溶于水.
来自《简明英汉词典》
4. It was an insoluble dilemma and one which I could do nothing about.
那是个无法解决的两难局面，我无计可施。
来自柯林斯例句
5. On entering a shop, he would ask for a new perfume called'Scented Shadow'or for'insoluble bath cubes '.
