I think I see the ghost of a smile in his expression, but I'm not sure.

我觉得我看到了一丝笑容在他脸上闪过，但我不确定。

Anthony admitted it with the ghost of a smile.

安东尼微笑着承认了这一点。

The ghost of a smile flitted across her sad features.

【ghost】她忧愁的面容上掠过隐隐的一丝微笑。

That brought the ghost of a smile to her lips. " I was not sure you would remember. I was six the last time you saw me" .

女孩嘴角绽放出一抹熟悉的笑容。" 我真怕你不记得我，上次见面我才六岁。"