“十足地”的英语？

他整天都劲头十足地写他的新书。He had worked energetically all day on his new book.周末，我们干劲十足地把屋子打扫了一遍。We cleaned the house manically over the weekend.他明确表态，信心十足地阐述自己的观点。He's speaking up and asserting himself confidently....