This sort of work fag ged me out.

这种工作使我疲。

Standing on your feet all day really fags you out.

天的确会人累得疲。

It's too much of a fag.

那是叫人受了的苦工。

He's been fagging away (at his writing) all day, it's time he took a rest.

他已辛苦(写作)了天, 该休息下了。