slaving away 没完没了地辛苦工作
slaving for profit 为了利润而劳作
A: Why are you still at the office so late?
A：你怎么这么晚还在办公室？
B: I've been slaving away at this report all afternoon.
B：我整个下午都在没完没了地写这份报告。
1) 极度辛苦地工作
2) 奴役；施加奴役
3) 像奴隶一样劳作
1. 没完没了地辛苦工作
2. 奴役
verb
1. to work extremely hard or for a long time
2. to treat someone as a slave
Synonym: toil, drudge