He has a tendency to oversell himself.
他爱自我吹嘘。
《牛津高阶英汉双解词典》
Stay focused and't try to oversell your capabilities.
保持专注而不要尝试过份吹嘘你的能力.
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Avoid all temptations to oversell yourself but be equally careful not to undersell yourself either.
避免过份推销自己,但同样要小心不可低估自己.
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