The Turks have the saying because the Turks are very good at starting things off but not necessarily finishing them.

土耳其人非常擅长于开始某件事，但是并不一定完成事情,但是并不一定完成事情。

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it's in a subject that you don't do really well in.

也是一门你并不擅长的项目。

so that 课堂 - SpeakingMax英语口语达人