The sand in the fist
Sand can't be held together. Metaphor is not harmonious.
Idiom explanation
"Sand in the fist" explanation: sand can't be held together in the hand. Metaphor is not harmonious.
Idioms and allusions
Source: the second fold of "he Han Shan" by Zhang Guobin in Yuan Dynasty: "good furniture is like a melon under the water, and parents and fathers are like sand in the fist." The two of them can't get together.
Discrimination of words
Usage: as predicate and object; metaphor is not harmonious
The sand in the fist