1.He spent his life in pointlessly tiresome drudgery.

1.他的生都在做毫的烦人的苦差。

2.He can be a very tiresome child at times.

2.他有时候会是常讨厌的孩子。

3.His doubts and hesitations were tiresome.

3.他的疑惑和犹豫令人厌烦。