keep to herself

• vt. 保守秘密(不交际)

keep to herself的用法和样例：

例句

用作及物动词 (vt.)

1. I swore her to secrecy about what I had told her.
   我要她起誓对我告诉她的事保守秘密。
2. Tom made everybody swear to keep secret.
   汤姆叫大家立誓保守秘密。