見張りは

the lookout

→ 見張り
phrase Rare #27,122
the lookout 見張り means a guard or lookout; は marks it as the topic, often translated as “as for the lookout.”
JA: 見張りはどこにいますか?
EN: Where is the lookout?

失敗した見張りは殺される

Guards who fail are killed.

— エリート・スクワッド (2007)

見張りは?

What about the lookout?

— エリート・スクワッド (2007)

見張りは?

What about the lookout?

— マルコムX (1992)

見張りはどうやらあいつ一人らしい

Looks like that guy is the only one keeping watch.

— Sanjuro (1962)

さっきの見張りは三匹だが猫だ

The three guards from earlier are cats.

— Sanjuro (1962)

見張りは向こうへ行きます

The lookout is going over there.

— エリート・スクワッド (2007)