導讀：詞組能有效的幫助大家提高完型和句子的理解與寫作質(zhì)量，為保證大家能夠靈活運用考研重點詞組，社科賽斯李梅老師特配以相應的例句，幫助大家更快地獲得更高的分數(shù)。



621. on earth  究竟，到底

 

What on earth had Luke done?

盧克究竟做了什么？

 

622. on fire  起火著火

 

The workshop is on fire.

車間[工廠]起火了。

 

623. on foot   步行

 

I go to school usually on foot.

我上學通常是走路去。

 

624. out of contact with  與...失去聯(lián)系

 

I have been out of contact with her for three years.

我與她失去聯(lián)系已有三年。

 

625. on hand  在場，在手邊

 

She was not on hand.

她不在場。

 

There is a dictionary on hand to help during his private study periods.

他學習時總是把詞典放在手邊。

 

 

626. on occasion  有時，間或

 

You have on occasion surprised people.

你有時使人們感到詫異。

 

627. out of control   失去控制

 

The fire is burning out of control.

熊熊燃燒的大火正在失去控制。

 

628. on purpose  故意地

 

Maybe he does this on purpose?

也許他是故意這么做的？

 

629. on sale  出售，廉價出售

 

All tickets go on sale this Friday.

所有票在本星期五開始銷售。

 

630. on schedule  按時間表，準時

 

The goods arrived on schedule.

貨物已如期運到。