理由,原因,動機[C][U][(+for)][+(that)][+why][+to-v]The reason (that)/why she did it is still a mystery. 她為什麼做那件事仍是一個謎。We have every reason to refuse. 我們完全有理由拒絕。
vi.
推論,推理,思考He is good at teaching his students to reason. 他擅於教導學生如何推理。
vt.
推論,推理[Y][+that]I reasoned that he did not come because his old car had broken down again. 我推想他沒有來是因為他的老爺車又拋錨了。