จะรังเกียจไหมครับ ถ้าผมจะรบกวนขอใช้ห้องน้ำ?
jaL rangM giiatL maiH khrapH thaaF phohmR jaL rohpH guaanM khaawR chaiH haawngF naamH
[polite request made by male] "Would you mind if I use the restroom?"

จะรังเกียจไหมคะ ถ้าดิฉันจะรบกวนขอใช้ห้องน้ำ?
jaL rangM giiatL maiH khaH thaaF diL chanR jaL rohpH guaanM khaawR chaiH haawngF naamH
[polite request made by female] "Would you mind if I use the restroom?"

ขอใช้ห้องน้ำหน่อยได้ไหมครับ
khaawR chaiH haawngF naamH naawyL daiF maiH khrapH
[polite request made by male] "May I use the restroom, please?"

ขอใช้ห้องน้ำหน่อยได้ไหมคะ
khaawR chaiH haawngF naamH naawyL daiF maiH khaH
[polite request made by female] "May I use the restroom, please?"

เสร็จแล้วยัง?
setL laaeoH yangM
"Done?" — "Finished?" — "Ready?" — [asking someone in the restroom] "Are you through?"

เสร็จแล้วหรือยัง
setL laaeoH reuuR yangM
"Are you finished, or not?"

เสร็จแล้ว
setL laaeoH
[is] already over; completed; ready; "Finished." — "Done." — "Ready." [answering someone outside the restroom] "I'm through."

เสร็จแล้วครับ
setL laaeoH khrapH
[spoken by a male] "Yes, it is ready/finished." [answering someone from inside the restroom] "Yes, I'm through."

เสร็จแล้วค่ะ
setL laaeoH khaF
[spoken by a female] "Yes, it is ready." [answering someone from inside the restroom] "Yes, I'm through."