Elucubration
刻苦钻研, 苦思冥想
🗣️ 情景例句
Has poor scholastic record, just got by.
学习成功不够好，仅仅过得去而已。
Don't be afraid.
不用担心！
The six students put their closed hands in front of them.
6个学生将握紧的手放在前面。