Translation of "Tiresome" in Japanese

- This must be annoying!
- As expected, this was quite tiresome.

やっぱりしんどいものだろうな。

At first the job looked good to Tom, but later it became tiresome.

初めは仕事はトムにむいているように思えたが後でうんざりして来た。

- Just how tiresome was it to argue straight against the phrase "Don't blindly follow America's lead!"
- Just how tiresome was it to argue straight against the phrase "Don't blindly follow the lead of the United States!"

アメリカの尻馬に乗るなというセリフに正面から反論するのが、どれほどしんどいことだったことか。

Once you go ahead and start, even the tiresome work of adding and subtracting figures is interesting in its way.

数字を足したり引いたりという面倒臭い仕事も一旦始めてしまえば、それはそれで面白さがあるものだよ。