When anchoring, holding ground refers to the bottom and its characteristics.

在下锚时，holding ground指的是水底的地面以及它的性质。

For example, "good holding ground" means a sand or mud bottom into which the anchor will set well.

例如“好的锚地”指的是一块锚容易下稳的沙地或泥地。

Subjects: sit, down, stand, follow, holding ground, shake hands, basic agility training and some good habits training.

完成科目：坐、卧、立、跟随、延缓、握手、简单敏捷训练及部分不良生活习惯的纠正。

"How about these?" I asked, holding up the tennis shoes. "I might be able to squeeze into these." My feet felt damp and chilled on the cold ground.

“这双怎么样？”我问着，拿起网球鞋，“我也许能塞得进去。”我站在冰冷的地上，脚底感到又湿又冷。

They leaned against 4203-RD and worked through their rote of tender gestures: hand-holding, modest-mouthed kisses, a giddy lowering to the ground, me an awkward weight following them down.

他们倚靠在4203-RD上，一板一眼地做起那套温柔把式：拉手、深浅有度的亲吻、晕晕忽忽地往地上滑，我这个糟糕的重负则跟着他们倒地。