ph.

1. 拖延；推迟
To put something back means to delay it or arrange for it to happen later than you previously planned.

1. put something back where it belongs

e.g. replace the book on the shelf after you have finished reading it
please put the clean dishes back in the cabinet when you have washed them

Synonym: replace

2. cost a certain amount

e.g. My daughter's wedding set me back $20,000

Synonym: set backknock back