870일차 Loose cannon~ 어디로 뛸지 모르는 She is a loose cannon. conduct 실행하다 시행하다 Tom is great, but he is a loose cannon. Down to earth 현실적인 I like a down to earth approach to work. I love your down-to-earth attitude. genuine 진심어린 He never uses his money to take advantage of people. He is one of the most down-to-earth people I know.