詞匯：

1.do the math: 認真考慮一下

2.abuse [ə'bju:z]

n. 濫用,惡習
v. 濫用,辱罵,虐待

例句與用法:
She attacked him with a torrent of abuse.
她用連珠炮似的謾罵來攻擊他。
I didn't expect him to descend to personal abuse.
我沒料到他會墮落到對我進行人身攻擊的地步。
The boy's breaking of window glasses caused a hail of abuse.
這個男孩打碎了窗戶玻璃，招致了一陣惡罵。

3.circumstances ['sə:kəm.stənsis]

n. 情況,情形,環境(常用復數)

例句與用法:
I think he conducted himself admirably, considering the difficult circumstances.
考慮到那種困難的情況，我認為他的表現令人欽佩。
Because of extenuating circumstances, the court acquitted him of the crime.
因考慮到情有可原，法庭判他無罪。

4.investigate [in'vestigeit]

v. 調查,研究
[計算機] 研究

例句與用法:
I felt impelled to investigate the matter further.
我覺得自己有責任對事情作進一步調查.
His representation influenced them to investigate.
他的陳述促使他們去調查。

5.conclusion [kən'klu:ʒən]
n. 結論

例句與用法:
The result of your report is an erroneous conclusion.
你的報告結果是錯誤的結論。
Your information is inaccurate and your conclusion is therefore wrong.
你的信息不準確，所以你的結論是錯誤的。