take a bead on

idiomatic transitive

(idiomatic, transitive) To aim a gun at something.

Japanese Meaning

銃などで標的に向けて狙いを定める（照準を合わせる）

Before the signal, the sniper must take a bead on the distant target and wait for the command.

合図の前に、狙撃手は遠くの標的に銃を向け、発砲の合図を待たなければならない。

Sense（1）

(idiomatic, transitive) To aim a gun at something.

takes a bead on

（ present singular third-person ）

taking a bead on

（ participle present ）

took a bead on

（ past ）

taken a bead on

（ participle past ）