Meaning of zàn chéng:
zàn chéng
赞成
Verb
to approve; to endorse; (literary) to assist
Wǒ wánquán zànchéng nǐ de jiànyì.
我完全赞成你的建议。
I fully approve of your proposal.
Wǒ fēicháng zànchéng nǐ de jìhuà.
我非常赞成你的计划。
I completely endorse your plan.
Tāmen de tíyì dédào le dàjiā de zànchéng.
他们的提议得到了大家的赞成。
Their proposal received everyone's approval.