长流水,不断线

cháng liú shuǐ , bù duàn xiàn

continuous and patient effort (idiom)

长

cháng

long

流

liú

to flow

水

shuǐ

water

,

,

不

bù

no; not so

断

duàn

to break

线

xiàn

variant of 線|线[xian4]