Translation of "trainee" into Japanese

研修生

IPA : /treni/

Because the new trainee did things sluggishly, he was told that he'd be fired if he didn't start taking his job seriously.

新しい研修生は物事を怠ったため、真剣に仕事を始めなければ解雇されると言われました。

The trainee could hardly bear the burden of the task.

研修生はその仕事の負担にほとんど耐えられませんでした。