汉英词典
Chinese-English Dictionary
MEANING OF 天差地远
天差地远 (天差地遠)
poles apart (idiom) / entirely different
The metaphor is very different between the two
形容相差极远。
tiān chà/chā/chāi/cī de/dì () yuǎn
EXAMPLE SENTENCES

即使西方的父母觉得他们对孩子严格,那种严厉通常与中国妈妈的标准天差地远

All the same, even when Western parents think they're being strict, they usually don't come close to being Chinese mothers.