彼は新しい仕事のチャンスが目の前にあっても、失敗を恐れて_______な態度を取り続け、結局他の同期にポジションを奪われてしまいました。
Even though a new job opportunity was in front of him, he kept taking a reluctant attitude for fear of failure, and in the end had his position stolen by another co-worker of the same group.