Definition: to be late so that someone has to wait for you Level: B1
很抱歉让你久等了。
I'm sorry to have ___kept ___you ___waiting.
牙医让我等了很长时间。
The dentist ___kept ___me ___waiting for a long time.
请不要让我们久等。
Please don't ___keep ___us ___waiting.