差不多 (almost / about the same)

"Pretty much" — close enough

• about the same差不多chà bu duō literally means "differ not much" = "almost / about the same".
• about the same差不多chà bu duō(completed / change)了le = "just about done"; about the same差不多chà bu duōsame一样yī yàng = "more or less the same".
• The everyday word for "roughly".

Subj + about the same差不多chà bu duō

• about the same差不多chà bu duō = "almost / pretty much / about the same".

time时间shí jiānalmost差不多chà bu duō了le。

• (concept of) time时间shí jiānabout the same差不多chà bu duō(completed / change)了le = "it's almost time."

Also "about the same"

• we / us我们wǒ menabout the same差不多chà bu duōhigh高gāo = "we're about the same height."

these这zhètwo两liǎng(measure word)个geabout the same差不多chà bu duō。

• this这zhè两个liǎng gèabout the same差不多chà bu duō = "these two are about the same."

Recap

Read the full reference: HSK 4 grammar — Adverbs.