serious

• I am sorry to hear of your serious illness .
  得悉病重，甚感难过。
• He was something serious in the beginning .
  他一开始也是个了不起的人物。
• Is she serious about learning to be a pilot ?
  她真想学开飞机吗？
• Here was a serious and unexpected check .
  这是一个严重而出乎预料的障碍。
• His brother is a man with a serious aspect .
  他的兄弟是一个外貌严肃的人。
• I never saw a serious quarrel among them .
  我从来没有见到过他们真的吵架。
• It 's only a slight wound , nothing serious ..
  不过是轻伤，没什么要紧的。
• Well, i'm blown, you are not serious ?
  咳，我被弄糊涂了。你不是认真的吧？
• The bullhorn acacia has serious competition .
  牛角相思树面临着严峻的挑战。
• I am perfectly serious in my refusal .
  我的谢绝完全是严肃的。