[cū lüè]

reckon without one's host
粗略判斷

a rough estimate
粗略估計

on cursory examination
粗略一看

He sketched out the general picture of the project first.
他先把整個計劃粗略地敘述一遍。

The artist sketched in a few trees to show a vividness in its surroundings.
畫家粗略地添加了幾棵樹，使畫面環境頗顯生動。