with a faint smile
他朝记者们淡淡一笑。
He smiled weakly at reporters.
《柯林斯英汉双解大词典》
我要了一张“矮子通行证”，淡淡一笑，然后绕着墙走来走去。
I asked for a "short person's pass," smiling weakly and walking around the wall.
youdao
那位老人不置可否地淡淡一笑，就转身走了。
The old man smiled noncommittally, then turn and go away.
《新英汉大辞典》
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