He smiled but his smile was not reciprocated.

他露出微笑，可他的微笑没有得到回应。

《牛津词典》

I shouted out, "Let me alone." But he only smiled, "Not yet." Then I was put on a wheel which was moving, and suddenly I was pushed to move around and around.

我大声喊道：“让我一个人待着。”但他只是微笑着说：“还不行。”然后我被放在一个移动的轮子上，突然之间我被推着走来走去。

youdao

"Not bad, Stone, not bad," he said to himself and smiled.

“不错，斯通，不错。”他笑着对自己说。

youdao

They spoke Russian. Not knowing the language, Bourke-White smiled in agreement at each man as he spoke.

VOA: special.2009.05.10

He put his hand on the door, as if to go, then he turned and smiled, not so much at me as at something that had just crossed his mind.

NEWYORKER: The Cold Outside

He smiled, but with a look of utter confidence and not a trace of nervousness.

FORBES: The Day The Football Coach Walked On To Wall Street

He knew for certain that her purpose had not been to harm the tiger, that she had smiled knowingly at him when it became obvious that the tiger had escaped.

NEWYORKER: The Tiger��s Wife