fagged

动词 fag:

1. act as a servant for older boys, in British public schools
   同义词：fag
2. work hard
   同义词：labor, labour, toil, fag, travail, grind, drudge, dig, moil
3. exhaust or get tired through overuse or great strain or stress
   同义词：tire, wear upon, tire out, wear, weary, jade, wear out, outwear, wear down, fag out, fag, fatigue

形容词 fagged:

1. drained of energy or effectiveness; extremely tired; completely exhausted
   同义词：exhausted, dog-tired, fatigued, played out, spent, washed-out, worn-out, worn out

1. He has fagged away at French for some years and has mow mastered it.
   他苦学了几法语，现在已经掌握得很好了。
2. Jack fagged away at his math.
   杰克专心费力做数学。