feel like a million bucks1 especially American EnglishAmE informalBEAUTIFUL/GOOD-LOOKING to feel or look very healthy, happy, and beautiful 感觉精神非常好/看上去很精神 → feel/look like a million bucks at buck1(3)
2 informal especially American EnglishAmEBEAUTIFUL/GOOD-LOOKING to look very attractive or feel very happy and healthy 看起来有吸引力/感觉很愉快[精神]look/feel like a million dollars/bucks• I felt like a million dollars.
→ look/feel like a million dollars/bucks at million(2)