The belly should be well shaped and tightly muscled and, with the rear of the thorax, should swing up in a pleasing curve (tuck-up).

腹部肌肉紧绷，形状良好，与后胸连成优美的曲线（收腹）。

youdao

The belly should be well shaped and tightly muscled and, with the rear of the thorax, should swing up in a pleasing curve (tuck-up).

腹部肌肉紧绷，形状良好，与后胸连成优美的曲线（收腹）。

youdao