- 不劳而获
- reap without sowing
- 不劳而获
- gain without any work
- 不谋而合
- think alike by coincidence
- 不谋而合
- happen to have the same idea
- 不言而喻
- it goes without saying
- 不言而喻
- it is obvious [or self-evident]
- 不约而同
- happen to agree [or coincide]
- 不约而同
- tally by chance