serious
英 ['sɪərɪəs]
美['sɪrɪəs]
	    - adj. 严肃的,严重的;认真的;庄重的;危急的
 
英英释意
- 1. concerned with work or important matters rather than play or trivialities;
 - "a serious student of history"
 - "a serious attempt to learn to ski"
 - "gave me a serious look"
 - "a serious young man"
 - "are you serious or joking?"
 - "Don't be so serious!"
 
- 2. of great consequence;
 - "marriage is a serious matter"
 
- 3. causing fear or anxiety by threatening great harm;
 - "a dangerous operation"
 - "a grave situation"
 - "a grave illness"
 - "grievous bodily harm"
 - "a serious wound"
 - "a serious turn of events"
 - "a severe case of pneumonia"
 - "a life-threatening disease"
 
- 4. appealing to the mind;
 - "good music"
 - "a serious book"
 
- 5. completely lacking in playfulness
 
- 6. requiring effort or concentration; complex and not easy to answer or solve;
 - "raised serious objections to the proposal"
 - "the plan has a serious flaw"