He took a deep breath and put one foot forward to keep his balance (平衡) .

他深吸了一口气，向前伸出一只脚来保持平衡。

youdao

A gesture of respect or reverence made chiefly by women by bending the knees with one foot forward and lowering the body.

屈膝礼一种主要由妇女做的表示尊重或恭敬的动作，弯曲双膝，一脚向前迈并使身体下坐。

youdao

Then he sits down, slowly, puts his crutches on the floor, undoes the clasps on his legs, tucks one foot back and extends the other foot forward.

然后，他缓慢地坐下，把拐杖放到地上，把他腿上的矫正器卸下，把一只脚向内弯曲，另一只脚向前伸。

youdao

In this bustling Cairo square, a statue of Egyptian novelist Naguib Mahfouz stands above the traffic with one foot poised forward as if in motion, and one on clutching his signature walking cane.

NPR: Nobel-Winning Author Naguib Mahfouz Dies at 94

Yet the Rev Dr Gordon Gatward, who runs the Arthur Rank Centre, says one of the greatest problems has been persuading foot and mouth-stricken farmers to come forward and apply for help - partly out of pride, partly out of reluctance to be seen to pander to the popular prejudice that farmers are always looking for handouts.

BBC: Jubilee tour diary: Beer in Burton

One new device, the iWalk prosthetic foot and ankle, uses a chip-controlled motor to propel amputees forward in the latest step toward robotic legs.

WSJ: Boston Marathon Amputees Face New Reality