Stay at home mom = A mother who stays at home to take care of her children

専業主婦。

Now with the difficult economics times, stay at home moms are very rare.

To call it a day = To end or to stop something

（仕事などを）おしまいにする、切り上げる。

After two or three hours at the gym, I call it a day and go home.

To soldier on = To continue under difficult circumstances

困難に負けずにがんばる。

Although he injured his leg, he soldiered on to finish the race.

To have a bone to pick = To have a complaint

＜人に＞文句（不満）がある。

I have a bone to pick with the newspaper man, he's always late.

To glad hand = To meet everyone with a smile and a handshake plus flattery

うわべだけの歓待（歓迎）。

Politicians are famous for and quick to glad hand.

Hand to mouth = To make just enough money to live

その日暮らしで、将来の備えをしないで。

In America, many people have jobs which pay very poorly, so they must live hand to mouth.

On a shoe string = To run a company with very little money

わずかな金（資本）で。

Most companies which are run on a shoe string don't survive.

To spiff up one's image = To improve one's physical and mental appearance

こぎれいにする、きちんとする。

I need to wear better clothes to spiff up my image.

To go south = To go down or to fall through

悪化する、下がる。

If the economy is bad, the price of oil goes south.

To put your best foot forward = To make a good impression

全力（最善）を尽くす。

When I meet someone for the first time, I always put my best food forward.