汉语中的“查字典”,用英语表达通常是:
a. look up sth in a (the) dictionary
b. consult a [the] dictionary
Look up these words in the dictionary. 在字典查查这些词。
If you want to know how a word is used, look it up in the dictionary. 你要想知道一个词的用法,就去查字典(from www.yywords.com)。
He often consulted a dictionary when he read the book. 他读这本书时经常查字典。
【注】不少人认为不能直接说 look up the dictionary, 其实这种表达在现代英语中也可以用,请看以下摘自权威词书的实例(from www.yywords.com):
I spend more time looking up the dictionary than reading the book. 我读这本书时查字典的时间还多些。
Look up the dictionary and explain the meaning of theitalicized words. 查字典然后解释斜体词的意思。