noun🔗Share義務, 必要Something that is mandatory or required."The school's attendance policy is a strict must: students must be in class every day. "学校の出席規定は厳格な義務です:生徒は毎日授業に出席しなければなりません。demandlawessentialChat with AIVocabulary GamePractice Reading
verb🔗Shareしなければならない、はずだ(modal auxiliary, defective) To do with certainty; indicates that the speaker is certain that the subject will have executed the predicate."If it has rained all day, it must be very wet outside."一日中雨が降ったなら、外はとても濡れているはずだ。grammarlanguageessentialChat with AIVocabulary GamePractice Reading
verb🔗Shareしなければならない, 必要がある(modal auxiliary, defective) To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a negative consequence."This door handle must be rotated fully."このドアノブは完全に回転させなければなりません。grammarlinguisticswordessentialChat with AIVocabulary GamePractice Reading
verb🔗Shareしなければならない, 違いない(modal auxiliary, defective) said about something that is very likely, probable, or certain to be true"The children must be asleep by now."子供たちはもう寝ているに違いない。grammarlanguagelinguisticsessentialChat with AIVocabulary GamePractice Reading
noun🔗Shareカビ臭さ, むさ苦しさThe property of being stale or musty."The old box smelled of a strong must, making it unpleasant to open. "古い箱は強いカビ臭さで、開けるのが不快でした。conditionqualityessentialChat with AIVocabulary GamePractice Reading
noun🔗Shareカビ臭さ, むさ苦しさSomething that exhibits the property of being stale or musty."The old box smelled of a strong must, making the attic room unpleasant. "古い箱は強いカビ臭さで、屋根裏部屋を不快なものにしていた。qualityconditionenvironmentessentialChat with AIVocabulary GamePractice Reading
noun🔗Share果汁、マストFruit juice that will ferment or has fermented, usually from grapes."My grandmother makes a delicious homemade wine from the grape must she harvests. "祖母は収穫したブドウのマストから美味しい自家製ワインを作ります。fruitdrinkessentialChat with AIVocabulary GamePractice Reading
verb🔗Shareかび臭くなるTo make musty."The old attic room musty with years of neglect. "古い屋根裏部屋は何年も放置されていたため、かび臭くなっていた。environmentnatureessentialChat with AIVocabulary GamePractice Reading
verb🔗Shareかび臭くなるTo become musty."The old box of toys in the attic must; it smells strongly of dampness. "屋根裏部屋にある古いおもちゃの箱はかび臭くなっており、湿った匂いが強くします。environmentconditionessentialChat with AIVocabulary GamePractice Reading
noun🔗ShareマストA time during which male elephants exhibit increased levels of sexual activity and aggressiveness (also spelled musth)."During the musth, the male elephant became very agitated and more likely to charge. "マストの間、オスのゾウは非常に興奮し、突進しやすくなった。animalphysiologysexbiologyessentialChat with AIVocabulary GamePractice Reading
noun🔗Share発情期の象An elephant in this sexual and aggressive state."The teacher saw the student's frustrated, aggressive behavior as a real must in the classroom. "教師は、生徒の不満で攻撃的な行動を、教室での本当の発情期の象として見た。animalphysiologysexbodyessentialChat with AIVocabulary GamePractice Reading