tiring

骨の折れる仕事

describes a task or job that requires significant physical or mental effort

かなりの肉体的または精神的努力を必要とするタスクや仕事を説明する

疲れる一日

describes a day that involved a lot of effort and made you feel tired

多くの努力を要し、疲れを感じさせた一日を説明する

describes a trip or travel that was long and exhausting