My toilet flush is really really weak! Can someone advise why it is so? Anyone out there also encountered this issue? I wish I can DIY to solve this issue.. dun wish to engage plumber.. any good and easy solution to solve this?

My toilet flush is really really weak! Can someone advise why it is so? Anyone out there also encountered this issue? I wish I can DIY to solve this issue.. dun wish to engage plumber.. any good and easy solution to solve this?
Is it caused by an blockage in the toilet bowl's rim, where water is discharged...
Try to clean the holes under the rim using a pick to see if problem solves?
*For the pick, try getting a wire clothes hanger and bent it.
Hope this video can help solve your issue.