なんて目(め)じゃないit's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)

億(おく)万(まん)長者(ちょうじゃ)には一(いち)万(まん)円(えん)なんて目(め)じゃないようだ。

It seems like ten thousand yen is not a big deal to a billionaire. {it's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)}

お前(まえ)がライバルだって？お前(まえ)なんて目(め)じゃないさ！

You're my rival? You're not a problem at all, I can easily beat you! {it's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)}

あんな奴(やつ)なんて目(め)じゃない。僕(ぼく)とは比(くら)べ物(もの)にならない。

That guy is nothing to me. He can be easily beaten by me. {it's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)}

本気(ほんき)を出(だ)せばお前(まえ)なんて目(め)じゃない！全(まった)く恐(おそ)れるに足(た)りないね！

If I get serious, you're not even a challenge! You're not worth fearing at all! {it's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)}

社員(しゃいん)：「この程度(ていど)はなんて目(め)じゃないですよ。もっと難(むずか)しい業務(ぎょうむ)もこなしてきましたから。」

Employee: "This is not a big deal. I've handled much more difficult tasks before." {it's not a problem, it's not a big deal, (person or thing) can be easily beaten or bettered (by one)}