0 the act of killing yourself intentionally, or a person who has done this -- 自杀;自杀者
1 any act that has the effect of causing your own defeat -- 自杀性行为;自取灭亡的行为
[ + to infinitive ] As a leader he knows that it is political suicide to appear indecisive. 他知道作为一位领袖表现得犹疑不定无疑是在政治上自取灭亡。