As soon as I had noticed it, I went to complain to the coach driver and he just disclaimed liability.

### 解释 liability 是由形容词 liable（有责任的）加上名词后缀 -ity 构成的名词，表示"责任、义务"的意思。在法律或商业语境中，特指"法律责任"或"债务责任"。 disclaimed liability 这个短语中，disclaim 表示"否认、拒绝承认"，所以整个短语意思是"否认/推卸责任"。