roughly

roughly 粗略，大致

rough,粗糙的，-ly,副词后缀。引申词义粗略，大致。

roughly (adv.)

c. 1300, "ungently, violently," from rough (adj.) + -ly (2). Meaning "approximately, without precision or exactness" is from 1841.

1. We had this understanding that courses were roughly the same weight.

我们已经了解到各门功课差不多一样重要。

2. He knew roughly what was about to be said.

他大概知道要说些什么。

3. Bihar had a population roughly the same as that of England.

比哈尔邦的人口几乎和英国的一样。

4. Gambling and tourism pay roughly half the entire state budget.

博彩业和旅游业支撑着整个国家约一半的财政预算。

5. Roughly chop the tomatoes and add them to the casserole.

把西红柿大致切一切，然后放到炖锅里。

【almost, approximately, about, nearly, roughly, around】
这组词都有“大约，差不多”的意思，其区别是：
almost: 指在程度上相差很小，差不多。
approximately: 多用于书面语，指精确度接近某个标准以致误差可忽略不计。
about: 常可分almost和nearly换用，但about用于表示时间、数量的“大约”时，实际数量可能多也可能少。
nearly: 与almost含义基本相同，侧重指数量、时间或空间上的接近。
roughly: 指按精略估计，常代替about。
around: 多用于非正式场合，常见于美国英语。