pin是什么意思

We should use our secondary forces to pin down several enemy columns.

我们应该用助攻部队来牵制住敌人的几个纵队。

The man was pinned down by a fallen beam.

那人被一根倒下的梁木压住了。

We were pinned down by the enemy fire.

我们被敌人的炮火压住了。

The soldier was pinned down in the hole because rifle bullets were flying over his head.

那个士兵被困在洞里,子弹正在他头顶乱飞。

Jackson says he will call a meeting, but we cannot pin him down about a date.

杰克逊说他要召开一个会议,但我们不能使他说出准确的日期。

I won't pin you down to a particular day; just come whenever you're free.

我不想让你定下确切的日子,你什么时候有空就过来。

If I can find the letter in which he promised to make a contribution,I'll pin him down to it.

如果我能找到他答应捐款的那封信,我一定要他履行诺言。

I can't pin her down, but I've seen her before.

我说不清她是谁,但我曾经见过她。

I seem to recognize the quotation, but I can't pin it down to its author.

引用的这段话我似乎见过,但记不清作者是谁了。

The police tried to pin down the blame for the fire in the school.

警方设法弄清学校失火的责任。

It is difficult to pin down the exact meaning of this word.

很难确定这个词的确切含义。

There is a tune going around my head, but I can't pin it down.

我头脑中回荡着一支乐曲旋律,然而我却说不出它出自哪首曲子。

There was a lot of noise coming from the classroom.but I couldn't pin it down to any particular group of students.

教室里传来一片哄闹声,但我很难辨出是哪些学生发出的。

At last we were able to pin the trouble down to a fault in the machine.

最后,我们终于找到了症结所在,是机器里面出了毛病。