对国语不熟练的旁观者来说偷听他们的谈话应该是很难懂的。
Eavesdropping on those conversations, however, would have been difficult for an observer not fluent in Mandarin.
对三点一线的瞄准基本常识能够理解，能够初步掌握但不熟练。
The aim of the three front-line basic knowledge to understand, to grasp initially, but unskilled.
不熟练的志愿者导致减少的客户服务和对捐赠者的可靠性，意味着有一个较小的品种可供选择。
The unskilled volunteers result in reduced customer service and the dependability on donor means that there is a lesser variety of products available.
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