severe/sɪˈvɪə(r)/
adj.1. 严厉的; 苛刻的;严格的a severe master苛刻的主人
The severe teacher has gone abroad; You can breathe freely again.要求苛严的教师已经出国了,你可以完全放心了。
2. 剧痛的;剧烈的;严重的;难熬的a severe attack of toothache牙痛的剧烈发作
3. 困难的,艰难的a severe competition艰苦的竞争
4. 朴素的;不加修饰的a severe style朴素的文体