Chinese phrase
抱歉，来晚了 bào qiàn lái wǎn le
Meaning
Sorry I'm late
When to use it
This is an apology for arriving late. It is polite and fits everyday situations.
Example dialogue
抱歉，来晚了，我可以现在进来吗？ bào qiàn lái wǎn le wǒ ké yǐ xiàn zài jìn lái ma
Sorry I'm late, can I come in now?
可以，但请下次提前打个电话通知。 ké yǐ dàn qǐng xià cì tí qián dǎ gè diàn huà tōng zhī
You can, but please call ahead next time.