開小車英文

開小車 = drive a small car

Is that what you mean?


開夜車 (通宵死刨書) = swot overnight ~ British informal

swot = to study a lot in a short time, especially for an examination

you mean 開小差 ?

"take unauthorized work breaks".

開小車：Open car

You mean 開夜車?
Answer:
Work/Study overnight/overtime

P.S:Overnight is better