sick/ sɪk /

1.adjective
(physically) 患病的

2.adjective
(mentally) 令人讨厌的

3.adjective
to be sick (vomit) 呕吐

4.adjective [+humour] [ joke] 
病态的

5.noun [u] [BRIT] 
(vomit) 呕吐物

6.n pl
the sick 病人

to feel sick
感觉恶心
to fall sick
患病
to be off sick
因病缺席
to make sb sick
 [inf] 使某人感到厌恶
to be sick of sth/of doing sth
 [inf] 讨厌某事/做某事
7.n pl
用法参见 ill