• much greatly to his surprise

• go great guns

• go against the grain

• fall from grace

• no great shakes

• make great strides

• take it with a grain of salt

• make great play with it

• make the grade

• a grey area

• the grapevine

• turn in one's grave

• sour grapes

• the gravy train

• have one foot in the grave

• with a bad good grace

• set great store by it

• a grey eminence

• great minds think alike