noun🔗Share寝る人Someone who sleeps."The kindergarten teacher gently woke the sleepers after nap time. "幼稚園の先生は、お昼寝の後、寝ている子供たちを優しく起こしました。personhumanChat with AIVocabulary GamePractice Reading
noun🔗Share休眠状態のもの、眠っているものThat which lies dormant, as a law."Even though the old regulation about school uniforms seemed forgotten, it turned out to be one of the sleepers; the principal suddenly enforced it again after years of ignoring it. "学校の制服に関する古い規則は忘れられたように見えたが、それは休眠状態のものの一つであることが判明した。校長は何年も無視した後、突然それを再び施行した。lawpoliticsChat with AIVocabulary GamePractice Reading
noun🔗Share潜伏工作員, スリーパーA spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell."After the war, authorities discovered several sleepers who had been living as ordinary citizens for years, waiting for orders. "戦争後、当局は長年、命令を待って普通の市民として生活していた複数の潜伏工作員を発見した。politicsmilitarywarpolicegovernmentpersonorganizationactionsocietyChat with AIVocabulary GamePractice Reading
noun🔗Shareピアスホールを塞がないようにする小さなピアスA small starter earring, worn to prevent a piercing from closing."After getting my ears pierced, I wore small gold sleepers to keep the holes from closing up. "ピアスを開けた後、穴が塞がらないように小さな金のピアスをつけました。wearbodyitemappearanceChat with AIVocabulary GamePractice Reading
noun🔗Share寝台車A railway sleeping car."We spent a night on an uncomfortable sleeper between Athens and Vienna."アテネとウィーンの間にある、居心地の悪い寝台車で一晩過ごしました。vehicleChat with AIVocabulary GamePractice Reading
noun🔗ShareスリーパーホールドA sleeper hold."The wrestler applied a tight sleepers, cutting off blood flow to his opponent's brain. "レスラーはタイトなスリーパーホールドをかけ、対戦相手の脳への血流を遮断した。sportactionbodyChat with AIVocabulary GamePractice Reading
noun🔗Share伏兵, 大穴Something that achieves unexpected success after an interval of time."A box-office bomb when it first came out, the film was a sleeper, becoming much more popular decades after being released."公開当初は興行的に失敗作だったが、この映画は何十年も経ってから大穴となり、ずっと人気が出た。achievementbusinessoutcomeChat with AIVocabulary GamePractice Reading
noun🔗Shareハゼ科の魚A goby-like bottom-feeding freshwater fish of the family Odontobutidae."The aquarium contained several sleepers, small fish that lived on the bottom of the tank. "水槽には、水槽の底に生息するハゼ科の魚が数匹いました。fishanimalChat with AIVocabulary GamePractice Reading
noun🔗ShareナースシャークA nurse shark (family Ginglymostomatidae)."The scuba divers were excited to spot several sleepers resting peacefully on the sandy ocean floor. "スキューバダイバーたちは、砂地の海底で静かに休んでいる数匹のナースシャークを見つけて興奮しました。fishanimalbiologyoceanChat with AIVocabulary GamePractice Reading
noun🔗Shareパジャマ、つなぎA type of pajama for a person, especially a child, that covers the whole body, including the feet."Aaron, Devin, and Laura looked so comfy in their sleepers."アーロン、デビン、そしてローラはパジャマを着てとても快適そうだった。wearitemfamilyChat with AIVocabulary GamePractice Reading
noun🔗Share外見はノーマルだが、内部を過剰に改造した車An automobile which has been internally modified to excess, while retaining a mostly stock appearance in order to fool opponents in a drag race, or to avoid the attention of the police."My neighbor's old, beat-up sedan is one of those "sleepers"; it looks slow, but it actually has a powerful engine hidden under the hood. "隣人の古くてぼろぼろのセダンは、まさにあの「スリーパー」の一台だ。遅そうに見えるが、実はボンネットの下に強力なエンジンが隠されている。vehicletechnologysportpoliceactionstyleappearancemachinetechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share睡眠薬、鎮静剤A sedative."The doctor prescribed some mild sleepers to help my grandmother rest after her surgery. "医者は祖母が手術後に休めるように、軽い睡眠薬を処方しました。medicineChat with AIVocabulary GamePractice Reading
noun🔗Share枕木A railroad tie."The train rumbled over the tracks, its wheels clicking on the sleepers beneath. "列車は線路の上をガラガラと音を立てて進み、車輪は下の枕木の上でカチカチと音を立てていた。structurebuildingmaterialtechnicalindustrymachineChat with AIVocabulary GamePractice Reading
noun🔗Share根太A structural beam in a floor running perpendicular to both the joists beneath and floorboards above."The construction crew carefully laid the sleepers on the concrete foundation before installing the hardwood floor. "建設作業員は、広葉樹の床を設置する前に、コンクリートの基礎に根太を慎重に敷設しました。architecturebuildingstructureChat with AIVocabulary GamePractice Reading
noun🔗Share根太A heavy floor timber in a ship's bottom."The shipwright carefully inspected the sleepers in the hull to ensure they could support the heavy cargo. "船大工は、重い貨物を支えられるように、船体の根太を注意深く検査しました。nauticalpartmaterialstructureChat with AIVocabulary GamePractice Reading
noun🔗Share樽の一番下の段The lowest, or bottom, tier of casks."The strongest sleepers in the brewery's barrel stack had to bear the weight of all the casks above them. "醸造所の樽の積み重ねの中で最も頑丈な樽の一番下の段は、上にあるすべての樽の重みに耐えなければなりませんでした。materialindustryChat with AIVocabulary GamePractice Reading