1. But he would have to be careful not to offend Crass, the foreman, who could give him the sack at any time.
    但是他得小心，别冒犯了工头克拉斯，因为克拉斯随时都能解雇他。

2. Don´t talk to him: he´s so crass.
    别跟他费口舌了, 他太笨了.

3. Crass materialism causes people to forget spiritual values.
    极端唯物主义使人们忘记精神的价值。