certainly的两句口语1. Certainly.表示同意或肯定，意为：好；行；当然；当然可以。如：A：Will you help me? 你能帮我吗?B：Certainly. 当然可以。A："Times"，please. 我买一份《泰晤士报》。B：Certainly, sir. 好的，先生。A：Can you help me with my homework? 你能帮我做家庭作业吗?B：Yes, certainly. 当然可以。2. Certainly not.表示否定或拒绝，意为：当然不是；当然不行；那可不行。如：A：Shall I drive? 我来开车好吗?B：Certainly not. 那可不行。A：Can I use your toothbrush? 我可以用你的牙刷吗?B：Certainly not. 当然不可以。注意：在回答 Do you mind……?这类问句时，由于回答所针对的是mind(介意)，所以若用 Certainly not. 来回答，则表示不介意(即同意)。如：A：Do you mind if I sit here? 我坐这儿可以吗?B：Certainly not. 当然不介意(即当然可以)

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