Definition
This idiom is used to indicate that a subtle hint or sign is enough for someone to understand a situation or what is meant without needing explicit explanation.
心領神會，不言自明
When the manager mentioned 'cutting costs,' a nod was as good as a wink; everyone knew it meant layoffs were coming.
當經理提到『削減成本』時，一個點頭就等於一個眼神；每個人都知道這意味著即將裁員。
He didn't say directly that he wanted to help, but he winked at me, which was as good as a nod.
他沒有直接說他想幫忙，但他對我眨了眨眼，這就等於點頭了。
I don't need your explicit agreement; a nod is as good as a wink.
我不需要你明確的同意；一個點頭就等於一個眼神。