slog

动词 slog:

1. work doggedly or persistently
   同义词：plug away, peg away, keep one's nose to the grindstone, keep one's shoulder to the wheel
2. walk heavily and firmly, as when weary, or through mud
   同义词：footslog, plod, trudge, pad, tramp
3. strike heavily, especially with the fist or a bat
   同义词：slug, swig

1. Slog away at your studies.
   不断地努力学习。
2. School is a hard slog.
   念书是共事。