1. He grew suicidal, thinking up ways to end it all. 他变得想自杀，想出了多种自杀方式。
2. He noted limitations to the study, such as the inability to determine the cause of the suicidal behavior. 他注意到这项研究的局限性，比如很难确定自杀行为原因。
3. Surprisingly, crying is more commonly associated with minor forms of depression than with major depression involving suicidal thoughts. 令人惊讶的是，哭泣更加普遍与轻度抑郁症有关，而不是与有自杀想法的重度抑郁症有关。
4. On bad days I even felt suicidal. 赶上不顺的日子，我都觉得不想活了。
5. I was suicidal and just couldn't stop crying. 我想自杀，并忍不住地哭泣。
