| When are you going to snap out of this oo-la-la and knuckle down to some serious roles? |
| How can a child left to direct their own education possibly knuckle down to hard work and fulfil their potential? |
| Why don't we knuckle down and focus on working with the government to create a confident, self-determining nation where opportunity abounds for all. |
| They are better at pacing themselves and tend to knuckle down to the homework throughout the course. |
| Can we tighten our belts, knuckle down and use that knowledge that our forefathers and mothers gave us? |
| Whether it ends up taking bail-out money or not, it needs to knuckle down to painful reforms if it is to thrive within this club. |
