If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in American sign language.
如果你用拇指和其他手指做一个 “OK” 的手势，那就是美国手语中字母 “f”的形状。
She raised her finger to her lips as a sign for silence.
她举起一根手指放在唇边，示意肃静。
She raised her finger to her lips as a sign for silence .
她把手指放在唇边示意（大家）安静。
She put her finger to her lips as a sign to be quiet.
她把手指放在嘴唇前示意大家安静下来。
How to recognize sign language mixed with hand gesture signal and finger spelling signal?
如何识别既包含手指语信号又包含手势语的信号的手语?。
She put her finger to her lips as sign to be quiet.
她把手指放到嘴上示意大家安静。
She put her finger to her lips as a sign to be quiet.
她将手指放在唇上表示应安静。
She raised her finger to her lips as a sign for silence.
她竖起手指，举到唇边，示意要安静。
Sign language and finger spelling are not uesd as much as they once were.
盲文和手语现在已经不像以前用的那么多了。
Sign language and finger spelling are not uesd as much as they once were.
盲文和手语现在已经不像以前用的那么多了。
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