【外合里差】〖wài hé l chà〗[consent outwardly but disagree inwardly]

外愚内智著诗典，

合两为一汉英翻。

里外夹攻世界语，

差肩履足大同寰。

比喻口是心非。Metaphor consent outwardly but disagree inwardly.同：口是心非。反：言行一致。