to write sth quickly and carelessly, especially because you do not have much time 草草记下，匆匆书写（尤指因时间仓促） SYN scrawl
~ sth
He scribbled a note to his sister before leaving.
临行前，他给妹妹草草写了一封短信。
~ sth down
She scribbled down her phone number and pushed it into his hand.
她匆匆写下自己的电话号码，塞进他手里。
~ (away)
Throughout the interview the journalists scribbled away furiously.
在整个采访过程中，记者忙不迭地记个不停。