Idioms with characters, idioms with antonyms, idioms with animal names, idioms with numbers, three-character, five-character, six-character, seven-character, and eight-character idioms, all need two.

Idioms for leading people: Zheng people buy shoes; persuade people with virtue.

Antonym idioms: look left and right; look here and there. Animal name idioms: frightened bird; finishing touch numeral idioms: thousands of troops; critical moment. Three words: no need; dog in the water. The seven-character smile of a hundred steps: the willows are dark and the flowers are bright, another village is full; there is no choice but the flowers fall away. Eight-character characters: one man is in charge of the barrier, and ten thousand people cannot open it; once a teacher, always a father.