Subject + 差不多 + Predicate
差不多 (chàbuduō) means 'almost,' 'about,' or 'more or less.' It is an extremely versatile expression used to indicate approximation in quantity, degree, or similarity. For example, 差不多是成年人的 means 'is about the size of an adult's.'
我们差不多到了,再走五分钟就行。
wǒmen chàbùduō dào le, zài zǒu wǔ fēnzhōng jiù xíng.
We're almost there; just five more minutes of walking.
这两件衣服的颜色差不多,我分不清。
Zhè liǎng jiàn yīfu de yánsè chàbuduō, wǒ fēn bù qīng.
The colors of these two pieces of clothing are about the same; I can't tell them apart.
他学中文差不多学了三年了。
Tā xué Zhōngwén chàbuduō xué le sān nián le.
He has been studying Chinese for about three years.