1. 成边器：cogging || 接头; 榫 | coggle || 成边器 | cogitable || 可以思考的, 可做思考题目的
verb
1. move unsteadily
e.g. His knees wobbled The old cart wobbled down the street
Synonym: wobble
2. walk unsteadily
e.g. small children toddle
Synonym: toddle totter dodder paddle waddle