If your 'career has its ups and downs' , it has good moments and bad moments.
My career has had its ups and downs but I'm doing very well at the moment.
His career has its ups and downs but he remains as enthusiastic as ever.
If your 'career has blossomed', it has done very well.
She started out as an office junior but since then her career has blossomed .
Since I improved the level of my English, my career has blossomed.
If you have had a 'brilliant career', you have a very good one.
She's had a brilliant career with top jobs in several Wall Street firms.
When you look back on your brilliant career, you must be very proud.