茅塞顿开

murky darkness suddenly opens (idiom); a sudden flash of insight and all is clear

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

to stop / to pause / to arrange / to lay out / to kowtow / to stamp (one's foot) / at once / classifier for meals, beatings, scoldings etc: time, bout, spell, meal

Serbia / Serbian / abbr. for 塞爾維亞|塞尔维亚[Sai1 er3 wei2 ya4]

to stop up / to squeeze in / to stuff / cork / stopper

strategic pass / tactical border position

to stop up / to stuff / to cope with

surname Mao

reeds / rushes