跋 ㄅㄚ ˊ bá 前 ㄑㄧㄢ ˊ qián 踬 ㄓ ˋ zhì 后 ㄏㄡ ˋ hòu 跋 ㄅㄚ ˊ bá 前 ㄑㄧㄢ ˊ qián 躓 ㄓ ˋ zhì 後 ㄏㄡ ˋ hòu to trip forwards or stumble back (idiom, from Book of Songs); can't get anything right