serious

adj.

1. 严重的, 非同小可
   • Her daughter was mute after a serious illness.
     她的女儿在一场重病之后失去了说话能力。
   • The company is in serious financial difficulties.
     这家公司陷入严重的财政困难。
2. 认真的; 真诚的
   • Buying a house is a serious matter.
     买房是一件需要认真考虑的事。
3. 严肃的, 庄重的
   • I want to have a serious talk with you.
     我想要与你郑重其事地谈一谈。
   • You look very serious today, is anything wrong?
     你今天看上去挺严肃的, 有什么事吗?