The scarcity of skilled workers is worrying the government.

熟练工人的缺乏困扰着政府。

He lists himself as a skilled worker.

他把自己列为熟练工人。

Average earnings for unskilled workers are decreasing now.

非熟练工人的平均工正降。

The unskilled section of the working class was diminishing as a proportion of the workforce.

力中非熟练工人的人数正减少。