keep silent about a secret
对秘密保持沉默 (Dui mimi baochi chenmo)
"Mum’s the word about the new project."
"对新项目保持沉默。" (Dui xin xiangmu baochi chenmo)
to be extremely frightened
to be tough in making a deal or negotiation
To focus on hard work and continuous effort.
to feel extremely happy and successful
a small part of a larger situation or problem
to start talking after a period of silence
