green thumbBrE /ˌɡriːn ˈθʌm/ 🔊NAmE /ˌɡriːn ˈθʌm/ 🔊 (NAmE) (BrE ˌgreen ˈfingers) noun [singular] if you have a green thumb, you are good at making plants grow 园艺技能;种植技能