sù
morning
early
long-held
long-cherished
sù yè
morning and night
always
at all times
sù dí
old foe
long-standing enemy
sù xīng yè mèi
to rise early and sleep late (idiom); to work hard
to study diligently
to burn the candle at both ends
sù yè fěi xiè
to work from morning to night (idiom)
sù nuò
old promise
long-standing commitment
sù yuàn yǐ cháng
a long-cherished ambition is realized
sù xián
old grudge
long-standing resentment
sù yuàn dé cháng
to have a long-cherished wish realized