You can really work up a sweat doing housework.做家务真的会让人大汗淋漓。How much do men share housework and the care of the children?男人分担多少家务和照看小孩的工作？He always helps with the housework.他总是帮着做家务。...
他整天都劲头十足地写他的新书。He had worked energetically all day on his new book.他似乎有一股近乎疯狂的劲头。He seemed to have an almost manic energy.他们不屈不挠专心致志的劲头简直是一种壮举。Their dogged single-mindedness is almost heroic....