convincing someone meaning in English

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Convince someone of the quality of your product
就你公司产品的质量说服某人。
You may be able to convince someone you like that you are the right person for him or her but you will have trouble showing your true feelings and this will cause a problem in the romance department this week
你能让你喜欢的人相信，你就是适合他/她的那个人，但你可能在表达自己的真实感受上面遇到些麻烦。