彼女は自殺しようとした。
tbd
She attempted to kill herself.
She attempted suicide.
She tried to commit suicide.
She tried to kill herself.
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题;表示与另一选项(无论是否明确提及)形成对比;表示强调