咧开嘴笑

to laugh

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

mouth / beak / nozzle / spout (of teapot etc) / CL:張|张[zhang1],個|个[ge4]

old variant of 笑[xiao4]

laugh / smile / CL:個|个[ge4]

to laugh; to smile / to laugh at

see 咧咧[lie1 lie1]

to draw back the corners of one's mouth

modal particle expressing exclamation