レベル
1. level, standard, grade, class, rank
2. level (amount or quantity)
3. level (plane)
4. level (instrument), spirit level, surveyor's level
その学校のレベルは高い。
を
Particle
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action