Chinese phrase
请定期检查 qǐng dìng qī jiǎn chá
Meaning
Please check on it regularly
When to use it
It asks for regular checks in a polite way. It is common in reminders, instructions, and practical advice, with the item stated afterward or understood from context.
Example dialogue
别忘了，请定期检查烟雾报警器的电池。 bié wàng le qǐng dìng qī jiǎn chá yān wù bào jǐng qì de diàn chí
Don't forget to check the smoke alarm battery regularly.
好，我会每三个月换一次电池。 hǎo wǒ huì měi sān gè yuè huàn yí cì diàn chí
Okay, I'll replace the battery every three months.