draw roughly，草拟；概略地叙述 He sketched out his plan， so that we had some idea of what he would do．他概略地叙述了他的计划，使我们对他的打算有所了解。 He sketched out the general picture first．他先把整幅画粗略地画了出来。
thumbnail sketch
thumbnail sketch A brief outline or cursory description, as in Let me give you a thumbnail sketch of the situation. This idiom alludes to drawing a picture no larger than a thumbnail. [Mid-1800s]
An sketch idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with sketch, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb sketch