714bfef7__clichés___Oxford_Dictionaries__Rewritten_sentence
[Original sentence] His first job, in an industrial area of the UK, proved to be a baptism of fire. [Meaning or key words] a difficult introduction to a new job or activity [Suggestions for action] use the key word or find synonyms in a thesaurus [Rewritten sentence] 
His first job, in an industrial area of the UK, proved to be a difficult start to his career.
Avoiding clichés - Oxford Dictionaries