Meaning of còu:
凑
to gather together, pool or collect; to happen by chance; to move close to; to exploit an opportunity
Wǒmen xūyào còu zúgòu de qián qù lǚxíng.
我们需要凑足够的钱去旅行。
We need to gather enough money to travel.
Jīntiān zhēn shì tài qiǎo le, wǒmen zài gōngyuán lǐ còu dào le yīqǐ.
今天真是太巧了,我们在公园里凑到了一起。
Today was really a coincidence, we happened to run into each other at the park.
Tāmen dōu còu guòlái kàn bǐsài.
他们都凑过来看比赛。
They all moved close to watch the match.
Tā chèn jiàqī còu gè jīhuì qù bàifǎng lǎo péngyǒu.
他趁假期凑个机会去拜访老朋友。
He took advantage of the holiday to visit old friends.