rough

The bark of the ancient oak tree felt rough and dry under my hands.

(Chinese) 古老橡树的树皮在我手下感觉粗糙而干燥。

Use a piece of rough sandpaper to remove the old paint from the wooden chair.

(Chinese) 用一张粗砂纸去除木椅上的旧油漆。

The architect drew a rough sketch of the house on a napkin to show his ideas.

(Chinese) 建筑师在餐巾纸上画了一张房子的草图来展示他的想法。

We don't know the final cost yet, but we can give you a rough estimate.

(Chinese) 我们还不知道最终费用，但可以给你一个粗略的估算。

He had a rough childhood, growing up in a poor neighborhood with very little support.

(Chinese) 他有一个艰难的童年，在一个贫困且几乎没有支持的社区长大。

The first year of starting a new business is always rough for most entrepreneurs.

(Chinese) 对大多数创业者来说，创业的第一年总是很艰难。