Your text are not complete sentences, making it difficult to translate to English which requires complete sentences. We need to assume that you will add to what we translated to make complete sentences ..
1.「頓時晴天霹靂無法置信」 [like a bolt of lightning, utterly impossible to believe[
2.「身處渾沌不清的情境中」 [rendered into a dizzy confused mental state]
3.「提心吊膽於無法掌控的癒後」 [during the frightful rehabilitation, with no control of one's own fate]
4.「省察自我的價值」 [examining one's own self-worth]
5.「重新檢視性伴侶與自己之間的關係」 [re-examining the true relationship between a person and one's sex partner(s)
6.「裝備自我，努力走出陰霾」 [fortifying ourselves and walking away from the doom and gloom]