pin down

Verb

transitive idiomatic

To attach or secure with pins. / (idiomatic) To identify something (e.g. a decision or plan) clearly or specifically.

Japanese Meaning

ピンで固定する、留める / （比喩的に）物事を明確に特定する、確定する

Before the wedding, she decided to pin down the veil to make sure it wouldn't slip.

結婚式の前に、彼女はヴェールがずれないようにピンで留めることにした。

Sense（1）

To attach or secure with pins.

Pin down the tablecloth, so it doesn't blow away in the breeze.

Sense（2）

(idiomatic) To identify something (e.g. a decision or plan) clearly or specifically.

Something is wrong, but I can't pin it down.

Sense（3）

(wrestling) To hold the opponent back-first so both his or her shoulders touch the mat or ground.

Sense（4）

(idiomatic) To corner somebody in order to get a firm answer.

Let's try to pin him down on a price.

pins down

（ present singular third-person ）

pinning down

（ participle present ）

pinned down

（ participle past ）

pinned down

（ past ）