细心attentive

• 仔细读

  read carefully

• 仔细看

  watch attentively

• 仔细听

  listen attentively

• 仔细研究

  study in detail

• 事情做得很仔细

  deal with the matter very attentively

小心to be careful

• 仔细点儿，别摔倒了。

  Be careful not to fall.

俭省<方>frugal