knock sb sideways BrEto upset someone so much that it is difficult for them to deal with something使某人目瞪口呆，使某人不知所措:•His daughter's death knocked Tom sideways.女儿的去世使汤姆大受打击。knock sb ˈsideways(informal)to surprise or shock sb so much that they are unable to react immediately使某人惊讶得不知所措（或目瞪口呆） |