My wife and I have always done practically the same workouts. The only way a women is going to get huge is to take huge amounts of steroids.
Here's one of my wife's workouts:
Monday:
Chest/Tri’s
Incline Bench: 3 sets x 8-12 reps each
Machine Press: 3 sets x 8-12 reps each
Dips/Pushups Superset: 3 sets x as many reps as possible
Close Grip Bench: 3 sets x 8-12 reps
Extensions (use rope): 3 sets x 8-12 reps
Cardio: Elliptical – 20 minutes
Tuesday
Legs
Squat: 3 sets x 8-12 reps each
Leg Press: 3 sets x 15 reps each
Leg Extension: 3 sets x 8-12 reps each
Leg Curl: 3 sets x 8-12 reps each
Lunges: 3 sets x as many as possible
Wednesday
Shoulders
Side Dumbbell Raises: 3 sets x 8-12 reps each
Front Raises: 3 sets x 8-12 reps each
Rear Dumbbell Raises: 3 sets x 8-10 reps each
Cardio: Stair Climber – 20 minutes
Thursday
Bleachers: Run 5 straight up and back down, rest 1-1/2 minutes, repeat for a total of 5 sets. Then do sprints around the track: sprint the straight part, walk the curve, repeat until you drop.
Friday
Back/Bi’s
Supine Row: 3 sets x 8-12 reps
Close Grip Seated Row: 3 sets x 8-12 reps
Pullovers: 3 sets x 8-12 reps
Cable Curl: 3 sets x 8-12 reps
Incline Dumbbell Curl: 3 drop sets x 8-10 reps
Cardio: Stair climber – 20 minutes
Do this for 8 weeks. As you start keep the reps in the 12 rep range. By the end of the 8 weeks, you should have increased the weight on all the exercises and should be doing around 8 reps.
Check out the thread: Member's Workout Routines