他不能肯定声音发自灌木丛。的翻译：He was not certain the sound from the bushes. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

He was not sure that the sound from the bottom of the bush.

He was not certain the sound from the bushes.

He cannot affirm the sound proceeds from the shrubbery.

He was not sure sound from shrubs.

He was not certain the sound from the bushes.