7. account for…

1)说明(原因)

2)(数量上)占

He could not account for his absence from school. 他无法说明他旷课的原因。

Afro-Americans account for 12% of the US population. 美国黑人约占美国总人口的12%。

8. on account of… 因为;由于

We delayed our departure on account of the bad weather. 由于天气不好，我们将启程的时间推迟了。

9. take sth. into account 考虑到;顾及

= take account of sth.

seek +

(after/ for) sth.寻找某物

to do sth. 试图/设法做某事

sth. (from sb.)(向某人)请求

When judging his performance, don’t take his age into account. 评定他的表现时，不必考虑他的年龄。

10.

They want to seek for/ after happiness together. 他们想一起追求幸福。

They are seeking to bring the conflict to an end. 他们试图结束冲突。

You must seek permission from the manager. 你需请求经理批准。