She looked like she was about to lose her balance and fall when I caught her and led her to the sofa to lay down.

她看起来歪歪扭扭就要摔倒的样子，我一把抓住她把她扶到沙发上躺下。

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The concern with lifting, he says, is that the mother could injure her back or lose balance and topple over.

但他说的对举重物的担心是母亲可能扭伤腰部或因失去平衡而摔倒。

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But even this political acrobat could lose her balance if she is hugged too hard.

ECONOMIST: German-American relations: Ready for a Bush hug? | The

Though the software component still needs to be built, the feedback from the forceplate could sense if a patient is about to lose his or her balance and compensate to keep the subject upright.

ENGADGET: vi-RABT improves ankle rehabilitation with virtual reality and robotics