1.familiar with 熟悉的；友好的

No country is more familiar with nuclear peril than japan.
日本比世界上的任何国家都更熟悉核危害。

A person familiar with the case offered further details.
一位知情人士提供了进一步的详情。

2.suppose to 认为

I suppose to go there on my honeymoon.
我本来想去那里度蜜月。

Would you suppose to meet the people on the boat.
你认为是那些在船上的人吗？

3.concentrate in 集中于

Most accounting personnel concentrate in the financial department.
大部分的会计人员都是集中在财务部门的。

Because of his somnolent voice students find it difficult to concentrate in his classes.
由于他的声音十分催眠，学生觉得很难在他的课上集中思想。

4.call for 需要；要求

A few relatively infrequent situations also call for a semicolon.
有几个比较少见的的情况也要求使用分号。

Finally, higher food prices will call for tighter monetary policy.
最后，食品价格上涨会要求各国收紧货币政策。