1.

1. 脚 轮：. 空心轮Hollow Round | . 脚 轮Truckle | . 工 具Tools

2.

2. 滑轮：trucking 货车运输 | truckle 滑轮 | trucklingly 谄媚的

3. 小轮：trucking costs 运输费用 | truckle 小轮 | true altitude 真实高度

4. 小轮,滑轮：truck unloader 汽车卸车机 | truckle 小轮,滑轮 | truck-shovel 铲运机

1. a low bed to be slid under a higher bed

    Synonym: trundle bedtrundletruckle bed

1. try to gain favor by cringing or flattering

    e.g. He is always kowtowing to his boss

    Synonym: fawntoadybootlickkowtowkotowsuck up

2. yield to out of weakness