单词defusion
网络: 除融合；拆除炸弹；摆脱
Although 80% possibly is defusion, I still send a message to him, as I expect, he refused me politely because of his class!
虽然八成的可能都是回绝，但是最终还是给他发了短信，如我所料的以“上课”为由很委婉的回绝了！