immune
/ɪˈmju:n; ɪ`mjun/ adj[usu pred 通常作表语]
1 ~ (to/against sth) that cannot be harmed by a disease or illness, either because of inoculation or through natural resistance 有免疫力（因接种疫苗或自发的）
I'm immune to smallpox as a result of vaccination. 我种过牛痘了, 所以对天花有免疫力.
2 ~ (to sth) not affected by sth; not susceptible to sth 不受某事物影响; 不易感受某事物
immune to criticism, abuse, opposition, etc 不为批评、 漫骂、 反对等所动摇.
3 ~ (from sth) protected or exempt from sth （对某事物）免除, 豁免
immune from additional taxes 免纳附加税
immune from prosecution 免予起诉.