Server returned HTTP response code: 400 for URL: https://datamarket.accesscontrol.windows.net/v2/OAuth2-13 (Bing Translator API error)
java.lang.Exception: [microsoft-translator-api] Error retrieving translation : Server returned HTTP response code: 400 for URL: https://datamarket.accesscontrol.windows.net/v2/OAuth2-13
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client id 또는 client secret 값이 틀려서 발생한 에러였다.
url : https://datamarket.azure.com/developer/applications 에서 값을 확인 해보자.