Chinese words pronounced guai (any tone) 6 words, in the 3 tones guai is read in. guāi (1st tone) 2 words 乖(guāi) obedient, well-behaved 掴(guāi) to slap 乖(guāi) obedient, well-behaved 摑(guāi) to slap guǎi (3rd tone) 1 words 拐(guǎi) to turn 拐(guǎi) to turn guài (4th tone) 3 words 怪(guài) odd 夬(guài) decisive 𤶊(guài) serious illness 怪(guài) odd 夬(guài) decisive 癐(guài) serious illness