Jumped-up is a sharp, mostly British way to talk about a person who has moved up in money, job, or class, and now acts as if they are more important than they are. It is an insult, not a kind remark, and it is rather informal.

Jumped-up是 a sharp, mostly British尖銳、主要是英式的 way to talk about說法，用來說 a person一個人 who has moved up in money, job, or class在錢、工作、或階級上爬升了，and now acts as if而現在表現得好像 they are more important than they are自己比實際上更重要。It是 an insult一種侮辱，not not是 a kind remark好話，and而且 it is rather informal相當口語。

You might hear a jumped-up little manager from someone who thinks that person has no right to give orders. It is not about jumping with your feet.

You might hear你可能會聽到 'a jumped-up little manager'「自以為了不起的小主管」 from someone來自某個 who thinks that person has no right to give orders覺得那人沒資格發號施令的人。It is not about這不是指 jumping with your feet用腳跳。

Americans do not use it much.

Americans美國人 do not use it much不太用這個詞。

Though actually it often says as much about the speaker as about the other person: it can come from someone who did not like watching another person rise. Handle it carefully; it can sound snobbish.

Though actually不過事實上 it often says as much about the speaker as about the other person這句話講的往往跟說話者本人一樣多，不只是在講對方：it can come from someone可能是出自某個 who did not like watching another person rise不喜歡看到別人往上爬的人。Handle it carefully用這個詞要小心；it can sound snobbish它可能聽起來很勢利。