"He was prying into my private business trying to find out what I do for a part time job."
"He was trying to pry into ~"
"He was prying into my private business trying to find out what I do for a part time job."
"he was prying into my ~" 「彼は〜詮索された」"pry" は個人的な本人の関係ないことを探す場合に使われている。
"my private business" 「私の個人的なこと」
"trying to find out ~" 「〜のか知ろうとした」
"what I do for a part time job”「私がバイト先で普段何してる」
"he was trying to find out ~" 「〜のか検索しようとした」
Someone was prying into what he usually does at his part-time job.
この場合、次のような言い方ができますよ。
ーSomeone was prying into what he usually does at his part-time job.
「ある人が彼は普段バイト先で何をするのか詮索した」
to pry into ... で「…を詮索する・さぐる」
ご参考まで！
オーストラリア 
カナダ 
