辛劳

bù cí xīn láo

不辞辛劳

spare no pains

rì yè xīn láo

日夜辛劳

toil day and night

xiàn zài tā men de suǒ yǒu xīn láo dōu dé dào le huí bào

现在，他们的所有辛劳都得到了回报。

They are now reaping the rewards of all their hard work.

xǔ duō jiào shī de xīn láo jǐn néng hú kǒu

许多教师的辛劳仅能糊口。

Many teachers are struggling just to make a living.