双方都誓言在寻求和平的过程中不遗余力。

Both sides vowed to ___leave ___no ___stone ___unturned in their quest for peace.

她为追求成功竭尽全力。

She ___left ___no ___stone ___unturned in her pursuit of success.

侦探们在调查此案时竭尽全力。

The detectives ___left ___no ___stone ___unturned in their investigation of the case.