Backstitching
n. 回针\\nv. 用回式针迹缝（backstitch的ing形式）
🗣️ 情景例句
Congratulations on your wedding.
祝贺你们的婚礼。
To teeter-totter
玩跷跷板
She wanted him to repair their grandson's bicycle!
她叫他去修理孙子的自行车。