| He won in his season debut, though it was laborsome at times. |
| If the genetic architecture of a trait under consideration is unknown, it is hard to choose a proper WGP approach without a serial of laborsome model comparisons. |
| Teaching firefighters solely through traditional means is a laborsome and costly process, tedious for both trainers and firefighters. |
| Experimental approaches to identification of sumoylation sites may not be effective due to the dynamic nature of sumoylation, laborsome experiments and their cost. |
