Darling had put the children to bed in unwonted silence and lit their night-lights.他们听得见娜娜的吠声，约翰呜咽着说：“这都是因为他把她拴在院子里了。”
This unwonted substitution of warm for cold waters had disastrous effects upon the fish.这样非比寻常的以温水代替冷水对鱼有极坏的影响。