不言而喻

self-evident; speak for itself; tell its own story; tell its own tale
【法】 tell one's own tale

不的英语翻译：

nay; no; non-; nope; not; without
【医】 a-; non-; un-

言的英语翻译：

character; say; speech; talk; word

而的英语翻译：

and that; moreover

喻的英语翻译：

explain; inform; understand