一贯: from beginning to end; unswerving; consistent; persistent; all along 短语和例子一贯思想 consistent idea; 一贯方针 consistent policy; 一贯原则 consistent principle; 一贯政策 consistent policy
害人匪浅: cause [inflict] deep injury to someone; cause infinite harm to people; do people great harm; have injured the people no little; injure [hurt] a person deeply; no small harm is done.; very