Right, it is an extremely good habit to resort to dictionaries. However, dictionaries dont speak languages. We do. In this regard, Saussure made the classic distinction between parole and langue.

• 你的大脑比不过词典，我翻译要查字典，大翻译家也要查，这不是缺点，我写汉语诗歌，有时也查，这没什么不好意思的