sake

n.缘故

If you won't do it for your own sake, then do it for my sake.

如果你不是为了自己做这件事，那么就算为我吧。

string

n.绳子

The kidnapper strangled the child with a piece of string.

绑票的人用一根绳子把这孩子勒死了。

bother

v.烦扰

Don't bother me with such foolish questions.

不要用如此愚蠢的问题来烦我。

heap

v.堆起

Off to one side, the militia was heaping up wood for a bonfire.

在一侧，民兵们正在堆起木柴，准备生起篝火。

oblige

v.强迫

The students were obliged to do what the teacher had asked.

学生必须做老师所要求的事。

circumstance

n.情况

This means we place our trust in Him for every circumstance of life.

这就意味着无论生活环境如何，我们都对他怀以信任。

furnish

v.供给

No one in the class could furnish the right answer to the question.

班上无人能对此问题提供正确的答案。

puzzle

n.谜题

The puzzle defied solution.

这个谜题无法解。

additional

adj.额外的

Mother needs additional help in the kitchen when we have guests for dinner.

晚餐有客人时，母亲在厨房里需要额外的帮忙。

contest

n.竞赛

The award for the oratorical contest was made by a jury of nine professors.

演讲比赛的裁决由九位教授组成的评判委员会做出。

bi

置于词根前表示“两个，两”

biweekly

双周刊（bi+weekly两星期）

bilingual

双语种的（bi+lingual双语的）

biennial

两年一次的（bi+ennial两年〔一次〕的）