Helping the turtle and losing the turtle
The Chinese idiom, Yu á NBI ē sh ī Gu ī, means that the gain is not worth the loss. From Huainanzi shuoshan Xun.
The origin of Idioms
"Huainanzi shuoshan Xun" says: "it's better to kill the army and ask for the fox, help the two turtles and fail the tortoise, break the right arm and fight for a hair, break moxie and fight for the cone knife
Idiom usage
It refers to the loss of great things from small things.
Helping the turtle and losing the turtle
allow oneself to be insulted to remain alive - rěn chǐ tōu shēng
youth passes as a fleeting wave - sì shuǐ liú nián