lock down

封鎖する、外出を制限する

危険から守るためなどに、人の出入りや移動を制限すること。

やさしい英語で： To prevent people from entering or leaving a place, often to protect them from danger.

• Police locked down the building.
• The school was locked down after a threat.
• Officials locked the city down to slow the disease.

使い方： lock something down / lock down something (Police locked the station down.)

類義語： seal off, close off

反対語： reopen

よく使う表現： lock down a school, lock down an area

確定する、取り決める

合意や計画を、もう変更しないものとして決めること。

やさしい英語で： To make an agreement or plan definite so that it will not change.

• Let’s lock down a date.
• We locked the deal down before the holiday.
• Have you locked down the details of the wedding yet?

使い方： lock something down / lock down something (We locked the final date down yesterday.)

類義語： finalize, confirm, settle

よく使う表現： lock down a date, lock down the details

固定する、しっかり留める

物を固く留めたり、動かされたり持ち去られたりしないようにすること。

やさしい英語で： To fasten something firmly or make it safe from being moved or taken.

• Lock down the equipment before we leave.
• They locked the cargo down with heavy straps.
• Have you locked the loose machinery down?

使い方： lock something down / lock down something (The crew locked the equipment down.)

類義語： secure, fasten

反対語： release

よく使う表現： lock down something, lock down equipment

アクセスを制限する、セキュリティを強化する

コンピューターやネットワークで、許可された人や操作だけを認めること。

やさしい英語で： To allow only approved people or actions on a computer or network.

• We need to lock down the network.
• The company locked its computers down after the attack.
• Can you lock this server down so only approved users have access?

使い方： lock something down / lock down something (The administrator locked the server down.)

類義語： secure, restrict access to

よく使う表現： lock down a network, lock down a computer

独占的な交際を約束させる

お互いに他の人とは付き合わない恋愛関係を、相手に約束してもらうこと。

やさしい英語で： To get someone to agree to a romantic relationship in which neither person dates anyone else.

• He wants to lock her down as his girlfriend.
• She finally locked him down after months of casual dating.
• You cannot lock someone down if they do not want a relationship.

使い方： lock someone down / lock down someone (He wanted to lock her down as his girlfriend.)

類義語： get to commit

よく使う表現： lock down someone, lock down a partner

閘門を通って下流へ下る

船で運河の閘門を通り、水位の低い方へ進むこと。

やさしい英語で： To travel by boat through canal locks towards a lower water level.

• We locked down to the lower canal.
• The boat locked down through four chambers before lunch.
• They will lock down towards the river tomorrow.

使い方： lock down through something (We locked down through three chambers.)

類義語： descend through locks

反対語： lock up

よく使う表現： lock down the canal, lock down through gates