Consult a dictionary when you can't understand a word.

有不懂的字时就去查字典吧。

A stand between them supported a second candle and two great volumes, to which they frequently referred, comparing them, seemingly, with the smaller books they held in their hands, like people consulting a dictionary to aid them in the task of translation.

他们之间的一个架子上放着第二支蜡烛和两本大书，他们经常提到这些书，似乎将它们与手中的小书进行比较，就像人们查阅字典以帮助他们完成翻译任务一样。