[spoken formally to a person of higher rank or status, e.g. parents, teachers] "Thank you" [male: add ครับ ; female: add ค่ะ ]

curb; raised edge of the sidewalk

Khmer; the language and civilization of เขมร 

boundary; border; frontier

[ขอบขัณฑสีมา] boundary (of a kingdom, e.g.)

to undermine; to undercut

[is] unremovable (as a stain); can't rub it out

dipper; water ladle

critical stage

[medical term] to excrete (to separate and eliminate from an organic body; separate and expel from the blood or tissues, as waste or harmful matter)

return trip

[of the human leg] thigh

one side or the other; one of the two

to lack credibility

[ขาด ๆ] [is] worn-out; shabby; ragged

[is] embarrassed; humiliated; shamed

rumour; dirt; unfounded news; senseless gossip; groundless news; slander; buzz

gratitude; sense of indebtedness, obligation, and duty

cooked rice

sheer legs or tripod legs

[is] miserly; greedy; parsimonious

[ขี้ลืม] [is] absent-minded; forgetful

to ascend; raise; rise; go up

up

[directional auxiliary indicating "upward", "increased", or "more"]

[semi-perfective aspect marker]

[ยิ่งขึ้น] more; still more; even more; increasingly; further

[a suffix used to indicate "more", or superlative, as in the English "-er"]

to get on (a train, plane and bus), to get in (a car)

to mount (i.e. a horse); to climb on

to progress; increase; raise

[is] dependent (upon)

to begin (e.g. a new paragraph)

to register or enroll

to disembark (from a ship)

to resist; disobey; oppose; insist on

if [indicating a condition with negative consequences]

to scrape; grate

[เขตบึงกุ่ม] [administrative district of Bangkok] Bueng Kum

brooch

an ancient Khmer temple on the Thai-Cambodian border

[is] critical; serious

meet with; come to see

arm

[of shirt] a sleeve

[แขนยาว] long sleeves; long-sleeved