adj.没有牙齿的；没有权威的
Ever since then, the small animals are never afraid of the toothless tiger. 从此，小动物们再也不怕没有牙齿的大老虎了。
In his view, the Commission remains a toothless and ineffectual body. 在他看来，委员会只是一个没有权威，起不了作用的空壳。
These reviews may prove toothless, but the commitment to them is a step forward. 这些监督可能不会有强制力，但是做出许诺已是一种进步。
