"My classmate came to me a couple of times in the early morning on Sept. 5, 2018, and showed me something on the iPad. It was all in English! I could not understand at all, so I returned it to her. I did not sign my signature on it. Is that what you called NDA?" he asked.

The witness said he wanted to make something clear: "I am an honest person. I am a construction worker, I have never related to doping control matters, no training, no DCA, no NDA, no IDTM," he declared.

CAS said on Tuesday that its verdict over the case brought by the WADA against Sun is not expected before mid-January 2020 due to poor translation of the testimony given by Sun and his witnesses. Lawyers of both parties had to constantly repeat their questions and even interrupt the witnesses' testimonies as a result of incomplete and inaccurate interpretation between Chinese and English.

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