must
🇺🇸
/məst/
🇬🇧
/məst/
shows something is necessary or required
You must wash your hands before eating.
食事の前に手を洗わなければなりません。
shows something is very likely or makes sense
You must be tired after working all day.
一日中働いたので、疲れているに違いありません。
strongly suggests doing something because it's good
You must try this delicious cake.
この美味しいケーキをぜひ試してみてください。
something you really need to do or have
This book is a must for all students.
この本はすべての学生にとって必須です。