A girl is guessing idioms with a watermelon.

Shengtang mingjun

Explain touch: looking for. Metaphor is to investigate things according to a clue.

Source: People's Daily 1982.6.30: "As a result, the theft case was quickly cracked."

Structural connection

Usage metaphor is to follow up the clues found.

Shape-differentiated vines; Can't write "Teng"

A synonym for picking melons along the vine

Antonym: wood seeks fish.

Example: Sun Li's My History Book: "This is how the interest in reading and buying books is aroused, just like following the trail."