副詞 in secret:

1. in secrecy; not openly
   同義詞：secretly, on the Q.T., on the QT

1. The rebel leader meet the chief of police in secret.
   造反派領袖與警察首領秘密會見。
2. The night of the long knives had come, and the generals met in secret to decide how to get rid of the president and put their own leader in power.
   采取背叛行動的時刻來到了，將軍們秘密集會，商定如何推翻總統并擁立自己的領袖。
3. It is said President has escaped to the border in secret.
   據說總統已經秘密逃往邊境了。
4. In secret; stealthily.
   秘密地; 偷偷地