ポンコツpiece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking

この機械(きかい)はポンコツで使(つか)い物(もの)にならない。

This machine is a piece of junk and is useless. {piece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking}

ポンコツ自動車(じどうしゃ)を使(つか)ったら事故(じこ)に遭(あ)いました。

I had an accident after using a piece of junk car. {piece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking}

その車(くるま)はポンコツだから、乗(の)らない方(ほう)がいいでしょう。

You probably shouldn't ride in that car because it's a piece of junk. {piece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking}

ポンコツのトラックを売(う)ったところ、百(ひゃく)円(えん)にしかならなかった。

After selling the junky truck, it only ended up being worth a hundred yen. {piece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking}

この機械(きかい)はポンコツで、簡単(かんたん)な作業(さぎょう)を長(なが)い時間(じかん)をかけてやるのです。

This machine is a piece of junk, it takes a long time to do simple tasks. {piece of junk, worn-out article, clumsy, useless, no good, unreliable, dismantled car, hitting (with fist), striking}