呼子又称「山彦」，两者在日文中均有回音的意思。呼子是个单眼(《ゲゲゲの鬼太郎》中的呼子是两只眼睛的）、单脚的小妖，总是穿著一身大大的蓑衣；呼子相当害羞，当不小心被人发现时，会赶紧用那一只瘦弱的小脚别扭地跳走，呼子喜欢对回音恶作剧，因此如果在日本山中出现没有回音或传回不同回音的情况时，那就是呼子在作祟。
刚子的音乐借用喉音歌唱的方式“呼麦”，以及濒将为人们所遗忘的蒙古民间乐调。
The music of GangZi carries on the legacy of throat singing and Mongolian folk music which is being gradually forgotten by people.
然后扔下书包，脱了鞋，衣服也顾不上脱，呼一下子跑到电脑旁，一看，唉！
Then dropped a schoolbag, took off his shoes, clothes also attend to not top off, cried suddenly ran to the computer, a look, oh!
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