《左传·襄公·襄公二十八年》
但这不符合盟书的话，而使贵国君王的德行有缺失，也对执享有所不利，小国就害怕这个。
无乃非盟载之言，以阙君德，而执事有不利焉，小国是惧。
However, it does not comply with the words in the alliance book, and damages your king’s virtue, and is also no good for the minister, the small state is afraid of this.