提示：点击例句中的单词，就可以看到词义解释

A watchdog should not be a toothless tiger .

守门狗不应成为无牙的老虎。

A toothless tiger under the sustainable .

永续发展下之无牙老虎。

Who killed the toothless man eventually ?

最后是谁杀了无牙男？

She gave us a toothless grin .

她张开没牙的嘴巴对我们笑了笑。

You think I 'm gonna stick you with some toothless tranny from the port authority ?

你以为我会用什么便携式的权威,靠没牙齿的电子设备来逼迫你吗?