to work overtime

• No way , i have to work overtime today to get it done
  根本不可能，我今天不得不加班才能干完。
• I refuse to work overtime during the weekend
  我拒绝在周末时加班
• But occasionally we have to work overtime
  但偶尔我们也需要加班。
• A : when he told me i had to work overtime , that was it
  当他告诉我我必须加班的时候，我受够了。
• B : no way , i have to work overtime today to get it done
  根本不可能，我今天不得不加班才能干完。
• Would i have to work overtime very often
  是否要经常加班？
• I have one question to ask : would i have to work overtime very often
  我想知道将来是否有出国工作的机会。
• We have a lot of work to do today and have to work overtime tonight
  今天我们有许多事要做，晚上还得加班。
• I often have got to work overtime
  我时常得加班。
• A : i need to work overtime today
  我今天要加班了。