shāng hén lěi lěi
bruised
riddled with scars
yìn hén
molding
printed impression
tiáo hén
weal (e.g. from whipping)
streak
bù luò hén jì
to leave no trace
seamless
professional
bù zhuó hén jì
to leave no trace
seamlessly
unobtrusively
āo hén
dent
indentation
notch
pitting