从事

• Today we are committed to a worldwide struggle .
  如今我们正以全力从事世界性斗争。
• He is engaged in scientific research .
  他从事科研工作。
• What line of business are you in ?
  你从事的是哪门行业？
• He resigned his commission to take up a civilian job .
  他辞去军职而从事平民工作。
• This is plain on the face of the facts .
  这一点，从事实的表面就可以清楚地看出来。
• We specialize in glass making .
  我们专门从事制造玻璃。
• She has been teaching for years .
  她从事教学有年头了。
• He was completely absorbed with what he was doing .
  他完全被他所从事的工作所吸引。
• You will be in trouble if you do not watch your step .
  你要是不谨慎从事就要倒霉了。