Tā xīn zhōng de xiǎngfǎ kāishǐ fāyá, jiànjiàn xíngchéng le jìhuà.
The idea in his heart began to germinate and gradually formed into a plan.
Tips
usage
发芽 is used both literally (seeds or plants sprouting) and figuratively (an idea or feeling beginning to take shape). The figurative use is common in written and literary Chinese.
