Chinese phrase
让你等这么久，真不好意思！ ràng nǐ děng zhè me jiǔ zhēn bù hǎo yì si
Meaning
Sorry to keep you waiting so long!
When to use it
This is an apology for making someone wait a long time. It is often used after arriving late or causing a delay, with a polite, regretful tone.
Example dialogue
我还以为你不来了。 wǒ hái yǐ wéi nǐ bù lái le
I thought you weren't coming.
让你等这么久，真不好意思！ ràng nǐ děng zhè me jiǔ zhēn bù hǎo yì si
Sorry to keep you waiting so long!