虚 ㄒㄩ xū 无 ㄨ ˊ wú 缥 ㄆㄧㄠ ˇ piǎo 缈 ㄇㄧㄠ ˇ miǎo 虛 ㄒㄩ xū 無 ㄨ ˊ wú 縹 ㄆㄧㄠ ˇ piǎo 緲 ㄇㄧㄠ ˇ miǎo unreal illusory imaginary vague and with nothing in it