Check these, please!

[Anonymous]

Hi,
Please check these sentences and correct them.
1. Fathers will keep their nose to the grindstone to raise/support their family.
2. Fathers will work tooth and nail to support their family.
3. Fathers will pull out all the stops to support their family.
Thanks a million.
Ann

[Rusty]

1. Fathers will keep their nose to the grindstone to raise/support their family.
2. Fathers will work tooth and nail to support their family.
3. Fathers will pull out all the stops to support their family.
(These all have the same meaning. They are all very informal sayings. All OK).