1. 蹒跚的：totter 蹒跚 | tottering 蹒跚的 | totteringly 蹒跚地

2. 摇摆：totrytheengine 试车 | tottering 摇摆 | touch 擦底而过

3. 蹒跚的/动摇的：totter /蹒跚/摇摆/摇摇欲倒/动摇/频临危机/ | tottering /蹒跚的/动摇的/ | totteringly /蹒跚地/动摇着/

1. (of structures or institutions) having lost stability
    failing or on the point of collapse

    e.g. a tottering empire

2. unsteady in gait as from infirmity or old age

    e.g. a tottering skeleton of a horse
           a tottery old man

    Synonym: tottery