如何使用 "toothless" 造句

1. A watchdog should not be a toothless tiger .
守门狗不应成为无牙的老虎。
2. A toothless tiger under the sustainable .
永续发展下之无牙老虎。
3. Who killed the toothless man eventually ?
最后是谁杀了无牙男?
4. She gave us a toothless grin .
她张开没牙的嘴巴对我们笑了笑。
5. 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?