be fighting for (your) life - to be so ill or injured that you might die.

Throughout Christopher's fight for life, his parents never left his bedside.

• a glutton for punishment
• a God-given right
• a go-getter
• a gold digger
• a golden boy
• a golden girl
• a golden handshake
• a golden oldie
• a golden parachute
• a good
• a good egg
• a good-for-nothing
• a good many
• a good Samaritan
• a goody-goody
• a Gordian knot
• a grab bag
• a grain of truth
• a grass widow
• a greasy spoon
• a great deal
• a great deal of
• a great deal of something
• agree to disagree
• a grey area