YOU SAID:

Not actually their test driver, but definitely their "reserve", while he actually tests for the poncing horse

INTO JAPANESE

実際には彼らのテストドライバーではありませんが、彼は実際に跳ね馬のためにテストしながら、間違いなく彼らの「リザーブ」

BACK INTO ENGLISH

not really their test drivers but definitely their "reserve" while he actually tested for a bouncing horse

INTO JAPANESE

彼は実際に跳ね返る馬のためにテストしながら、本当に彼らのテストドライバーが、間違いなく彼らの「リザーブ」ではありません

BACK INTO ENGLISH

really their test drivers are definitely not their "reserve" while he actually tests for bouncing horses

INTO JAPANESE

本当に彼らのテストドライバーは間違いなく彼らの「リザーブ」ではありませんが、彼は実際に馬を跳ね返すテストをします

BACK INTO ENGLISH

Really their test drivers are definitely not their "reserves", but he actually does a test to bounce off the horse

INTO JAPANESE

本当に彼らのテストドライバーは間違いなく彼らの"リザーブ"ではありませんが、彼は実際に馬を跳ね返すためにテストを行います

BACK INTO ENGLISH

Really their test drivers are definitely not their "reserves", but he actually does the test to bounce off the horse

INTO JAPANESE

本当に彼らのテストドライバーは間違いなく彼らの"リザーブ"ではありませんが、彼は実際に馬を跳ね返すためにテストを行います

BACK INTO ENGLISH

Really their test drivers are definitely not their "reserves", but he actually does the test to bounce off the horse