隔 ㄍㄜ ˊ gé 靴 ㄒㄩㄝ xuē 搔 ㄙㄠ sāo 痒 ㄧㄤ ˇ yǎng 隔 ㄍㄜ ˊ gé 靴 ㄒㄩㄝ xuē 搔 ㄙㄠ sāo 癢 ㄧㄤ ˇ yǎng lit. to scratch the outside of the boot (idiom) fig. beside the point ineffectual