Definition (動作)
to lower oneself to the ground onto one's knees, typically as a gesture of deep respect, reverence, or gratitude.
（因尊敬或感激而）跪下
The crowd fell to their knees and began to pray.
群眾跪下並開始祈禱。
Upon reaching the summit, Jay fell to his knees and presented an engagement ring.
到達山頂時，傑伊跪下並拿出求婚戒指。
She raised her arm toward the heavens before falling to her knees.
她向天舉起手臂後跪下。