1.he shrieked in a voice of childish shrillness.
他用儿童般的尖锐的嗓音喊了一声。
2.The shrillness may disguise disagreement in Pyongyang about how to deal with Mr Lee and Mr Obama.
尖锐的腔调可能掩盖了平壤内部关于如何与李明博和奥巴马打交道这一问题上的分歧。
3.But also picked notes via the bridge pickup were clear and full, without shrillness.
而且经挑选债券大桥全面回升清晰，没有愈演愈烈。