| Experts have already said that destroying chemical weapons would be a very laborous and difficult task which could take decades. |
| The referendum questions are explained as somewhat misleading, and that the package is somewhat laborous. |
| Scola tried teaching him context clues to help it make sense, to force him to go back and look at the beginnings of the words, but it was laborous. |
| However, less laborous and complex methods are needed. |
