" All that glitters is not gold" means something seems wonderful and beautiful, but in fact is not.

" All that glitters is not gold" 是指某些事物看起来奇妙而又美好，但实际上并非如此。

" To dig for gold" means to try to find gold, for example, in the earth or in a rock in the mountains.

“掘金” 的意思是设法找到金子，例如，在地上或在山中的岩石中。

Uncle Sam's gold—meaning no disrespect to the worthy old gentleman—has, in this respect, a quality of enchantment like that of the devil's wages.

山姆大叔的金子——意思是对这位可敬的老先生没有不敬——在这方面具有与魔鬼工资一样的魅力。