Meanings

ghost runner

coarse rice powder

open three-of-a-kind (meld)

open three-of-a-kind (meld)

general policy speech

graduation certificate

invention developed as a result of one's work

invention by an employee

to look on the bright side

lighting a stage using border lights only

knowing clearly

sagacity

unclear point

post-vacation

the four great civilizations of the world (China, Babylon, India and Egypt; as put forward by Chinese scholar Liang Qichao in 1900)

useless

burden of proof

discernment

tomb sweeping festival (Okinawa, April 4 or 5)

briefer