不好意思，这儿有人吗？

Bù hǎoyìsi, zhèr yǒu rén ma?

Pardon me, is there anyone here?

不好意思，可以再说一遍吗？

Bùhǎoyìsi, kěyǐ zài shuō yí biàn ma?

Sorry, could you say it again?

不好意思，请问洗手间在哪里？

Bù hǎoyìsi, qǐngwèn xǐshǒujiān zài nǎlǐ?

Excuse me, where is the restroom?