hyper
adj. 亢奋的；高度紧张的；精力过旺的
近义词：overexcited，hyperactive，manic，frenzied，restless，keyedup，wired，agitated，overactive，excitable，hotheaded，volatile，highly-strung，unbalanced，high-strung，rash，
例句
用作形容词(adj.)
- I get hyper if I drink too much coffee.如果我喝太多咖啡，会变得很亢奋。
- Please don't get too hyper.请不要太激动。