C2 感觉不错；状态良好
to be feeling or performing well
Paul was on good form at the wedding and kept everyone entertained. 保罗在婚礼上情绪极佳，把大家都逗得乐呵呵的。
Your mother was on good form, wasn't she?
I thought the orchestra were on great form.
Both comedians were on brilliant form and it made for a fantastic evening.
All six dancers were on excellent form.
Was Jamie on good form last night?
See also: form noun (ABILITY)