If you want to compliment someone on having done a good job doing something in Thai, you can say “เยี่ยม” [yîam] meaning “Excellent!” or you can emphasize it by adding the adverb of degree “มาก” [mâak] (very / extremely) -“เยี่ยมมาก” [yîam mâak]. For example,
A: “ผมทำโปรเจคที่นายมอบหมายให้ผมทำเสร็จแล้วนะครับ”
A: [phǒm tam project tîi naai mâwp mǎai hâi phǒm tam sèt léaw ná kráp]
A: Boss, I’ve finished the project that you assigned to me.…