Quadriliteral
a. 包含有四个字母或辅音的\\nn. 包含有四个字母或辅音的字[字根]
🗣️ 情景例句
They live from hand to mouth.
他们过着糊口的生活。
Teach your grandmother to suck eggs.
班门弄斧。
they become merged in the sea, and painlessly lose their individual being.
汇入大海；毫无痛苦地失去了自我的存在。