辛

This is Xin1. It’s a picture of a dagger used to inflict corporal punishment on prisoners. So it means pain, painful, spicy-hot like chilis but most frequently is seen in xinku which means to work very hard. PAIN, HARDSHIP, HARD WORK, SPICY-HOT

H.ardship
S.picy-hot
I.ncisive
N.asty XIN1

幸

This is Xing. It looks like Xin. It sounds like Xing. But it means the exact opposite: Xing is a picture of two prisoners bound by shackles at the feet, who are about to be absolved and released and thus are LUCKY

H.e’s
S.o
I.ncredible
N.ow
G.oing LUCKY XING4