吧

• Your father and mother are living, i presume .
  我想，你父母都健在吧。
• Keep your fingers crossed that i get the job .
  祝愿我找到那项工作吧。
• Perhaps it is the brain that needs resting ?
  也许是大脑需要休息吧？
• Forget it, and move on to tomorrow .
  不要再想它了，关心明天的事儿吧！
• We are back to business as usual .
  跟往常一样，我们还是言归正传吧！
• Let other pens dwell on guilt and misery .
  让别人去描写罪恶的不幸吧！
• Please tell me something more about tsunamis !
  请您给我讲讲海啸吧！
• It 's so dark. perhaps it 's going to rain .
  天这么黑，许是要下雨吧。
• Lieutenant, let's do it fast, okay ?
  少尉，咱们行动得利索点，成吧？