The teacher used an idiomatic dictionary to explain the meaning of the phrase 'break the ice'.
老师使用成语词典解释了短语'打破冰局'的意思。
Students often refer to idiomatic dictionaries to enrich their vocabulary and improve their writing skills.
学生们经常参考成语词典来丰富他们的词汇和提高他们的写作技巧。