pin

pin down

To fix or establish clearly

控制住：清楚地固定或建立

was finally able to pin down the cause of the disease.

最后终于确定病因

To force (someone) to give firm opinions or precise information

强求承诺：强迫某人提供确定意见或正确信息

The reporter pinned the governor down on the issue of capital punishment.

记者强求州长在死刑问题上发表确切看法

pin on

To attribute (a wrongdoing or crime)

归罪：将错事或罪行归于…

The murder was pinned on the wrong defendant.

被告被错误地定了谋杀之罪

(as) clean (或 neat) as a new pin

extremely clean or neat

非常整洁

for two pins I'd (或 she'd，等) ——

used to indicate that one is very tempted to do something, especially out of annoyance

巴不得，恨不得

hear a pin drop

used to describe absolute silence or stillness

静得连针掉在地上也听得见

on pins and needles

in an agitated state of suspense

如坐针毡；焦躁不安；急得要命

pin one's colours to the mast

pin one's ears back

listen carefully

全神贯注地听

pin one's hopes (或 faith) on

rely heavily on

寄厚望于；把希望寄托在…上

ministers were pinning their hopes on a big-spending Christmas.

部长们把希望寄托在大肆消费的圣诞节上。

pin someone down

restrict the actions or movement of an enemy by firing at them

火力压制

pin something down

define something precisely

确定， 落实