Writing in English

Partially because my responsibilities includes translation, I tend to think first in Japanese and then translate it in my mind to English before speaking English.
Quickness is necessary to become fluent in English, in my view/opinion. Especially in writing these days, texting and emails are becoming more time sensitive. (I have experienced that I miss opportunities to deliver my idea while considering in dual languages.) I have experience missing opportunities to deliver my ideas while I was still considering how to phrase them in both languages. OR I have experience of missing opportunities to deliver my ideas while considering them in both languages.