渐进

zhī shi zhǐ néng jiàn jìn bù néng yuè jìn

知识只能渐进，不能跃进。

Knowledge advances by steps, not by leaps.

jiǎn féi shì yī gè jiàn jìn de guò chéng

减肥是一个渐进的过程。

Losing weight is a gradual process.