甚至 even 即使 even if;even though; He kept calling me for years, even after he got married. 多年来他一直打电话给我，甚至是在他结婚以后。 She left without so much as saying “good-bye”. 她甚至连 “再见”都没说就走了。 Even if the weather's awful there's lots to do. 即使天气很差，也还有好多事情可做。 I wouldn't lose courage even if I should fail ten times. 即使要失败十次,我也绝不灰心.

即使：even though, it has disjunctive meaning. ex:He will come on time even though it rains. 甚至：even,it use to emphasize sth. ex: Even I open airconditioner, I still feel too hot to sleep.