must
🇺🇸
/məst/
🇬🇧
/məst/
shows something is necessary or required
You must wash your hands before eating.
你必须在吃饭前洗手。
shows something is very likely or makes sense
You must be tired after working all day.
工作了一整天,你一定很累了。
strongly suggests doing something because it's good
You must try this delicious cake.
你一定要尝尝这个美味的蛋糕。
something you really need to do or have
This book is a must for all students.
这本书是所有学生的必读之物。