"She was digging away at her math homework" "Lexicographers drudge all day long"
"We wore ourselves out on this hike"
It saves a lot of fag to have someone to scrub my back.
He can quite well..find the journey up too much of a fag.
All day I am fagging at business.
Hot day coming. Too much trouble to fag up the stairs.
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)