查 + Object / 查看 + Event
查 (chá) can mean "to check" or "to look into" something, typically referring to a quick examination or verification. It is used when someone wants to confirm or find out information about a situation. 查 in this sense often appears with 看 as 查看, meaning "to check and see."
你帮我查一下明天的天气好吗?
Nǐ bāng wǒ chá yíxià míngtiān de tiānqì hǎo ma?
Could you check tomorrow's weather for me?
我查了一下航班信息,没有延误。
Wǒ chá le yíxià hángbān xìnxī, méiyǒu yánwù.
I checked the flight information — there are no delays.
医生让我查看一下检查结果。
Yīshēng ràng wǒ chákàn yíxià jiǎnchá jiéguǒ.
The doctor asked me to check the test results.