Secondly, the field where pinyin is better fit than characters, namely, in exclamation, sound imitation, auxiliary words, foreign words, words where are rarely used, and colloquial sounds which do not have written equivalents.

• 另一个是提出汉字夹用汉语拼音的试验范围 :感叹词、拟声词、助词、音译外来词、生僻字以及口语中有音无字的词。