写下 + Content
The verb 写下 (xiěxià) means "to write down" and emphasizes the act of recording something in written form. The directional complement 下 adds a sense of completion, distinguishing it from the plain verb 写 (to write).
他把旅途中的感受都写下来了。
tā bǎ lǚ tú zhōng de gǎn shòu dōu xiě xià lái le.
He wrote down all his feelings from the journey.
请把你的联系方式写下来,方便以后联系。
qǐng bǎ nǐ de lián xì fāng shì xiě xià lái, fāng biàn yǐ hòu lián xì.
Please write down your contact information so we can stay in touch.
她习惯每天写下三件让自己开心的事。
tā xí guàn měi tiān xiě xià sān jiàn ràng zì jǐ kāi xīn de shì.
She has a habit of writing down three things that make her happy every day.