disclaim
verb [ T ] formal uk/dɪˈskleɪm/ us/dɪˈskleɪm/
声明拒绝承担（责任）;否认
to say that you have no responsibility for, or knowledge of, something that has happened or been done
We disclaim all responsibility for this disaster. 我们声明对这起灾难不承担任何责任。