jack

ジャック

若い男性が描かれ、Jの文字が付いたトランプの札。

やさしい英語で： A playing card showing a young man, marked with the letter J.

• I have a jack and an ace.
• She played the jack of clubs.
• How many jacks are left in the deck?

類義語： knave

よく使う表現： jack of hearts, jack of spades, play a jack

ジャッキ

車などの重い物を持ち上げ、その高さで支える道具。

やさしい英語で： A tool that lifts and holds something heavy, especially a car.

• We need a jack to lift the car.
• She placed the jack under the frame.
• Does this jack support the weight of our van?

よく使う表現： car jack, hydraulic jack, use a jack

ジャック

電気機器をつなぐための小さなプラグや差し込み口。

やさしい英語で： A small plug or opening used to connect electrical equipment.

• Plug the headphones into the jack.
• My phone has no headphone jack.
• Check the audio jacks at the back of the computer.

類義語： connector

よく使う表現： headphone jack, audio jack, telephone jack

何もない

全く何もないこと。何も知らない、持っていないというくだけた表現で使う。

やさしい英語で： Nothing at all, especially in expressions about knowing or having nothing.

• I know jack about cars.
• They paid me jack for all that work.
• That old computer is worth jack.

類義語： nothing, zero

よく使う表現： know jack, jack squat, worth jack

艦首旗

船に掲げる小さな旗。船の前方に掲げることが多い。

やさしい英語で： A small flag flown on a ship, often at the front.

• The ship flew a jack at the bow.
• Each navy has its own jack.
• The sailors lowered the jack before leaving port.

類義語： kitty

よく使う表現： naval jack, fly a jack

防護上衣

中世の兵士が体を守るために着た、丈夫な上着。

やさしい英語で： A strong coat worn by soldiers in the Middle Ages to protect their bodies.

• The soldier wore a leather jack.
• Small metal plates strengthened his jack.
• The museum displays several jacks from medieval battles.

よく使う表現： leather jack, padded jack, jack of plate

引き上げる

価格や量、水準を上げること。大幅な上昇を指すことが多い。

やさしい英語で： To increase a price, amount, or level, often sharply.

• They jacked up the prices.
• The hotel jacks its rates up during festivals.
• Higher fuel costs have jacked up delivery fees.

使い方： jack something up (The landlord jacked the rent up again.)

類義語： increase, raise, hike

反対語： lower, reduce

よく使う表現： jack up prices, jack something up

ジャッキで持ち上げる

専用の道具で、重い物を持ち上げること。

やさしい英語で： To lift something heavy with a special lifting tool.

• Jack the car up carefully.
• They jacked up the truck to repair it.
• Can you jack this side up a little higher?

使い方： jack something up (We jacked the car up to change the wheel.)

類義語： raise, lift

反対語： lower

よく使う表現： jack something up, jack up something