s expressed without speech
s not made explicit
unspeak的过去分词
1. Her feelings for him were unspoken, but he could sense them.
她对他的感情没有说出口，但他能感觉到。
2. There is an unspoken rule in our office about arriving on time.
我们办公室有一个不成文的规定，就是要准时到达。
3. They shared an unspoken understanding that made their friendship strong.
他们之间有一种不言而喻的默契，使他们的友谊更加牢固。