651. Don"t be uneasy about the consequence.不必为后果忧虑不安。

650. Does the computer ever make a mistake.? 计算机出错吗?

649. Can you adapt yourself to the new job? 你能适应新的工作吗?

648. A bad workman quarrels with his tools.手艺差的工人总是抱怨工具不好使。

647. You really have an ear for pop music. 你确实对流行音乐很有欣赏力。

646. Words can"t express what I felt then. 无法用语言形容我当时的感受。

644. This is a good example of his poetry. 这是他诗作的一个好例子。

643. This company is our regular customer. 这家公司是我们的老客户。

642. There"ll be some sport reviews on TV. 电视上会有一些体育评论。