balky

1.The balky horse refused the jump.

马逡巡不前拒绝跳过去。

2.The balky engine sputtered and stopped.

不听使唤发动机劈啪响地停了下来。

3.Even threats of indictment didn't loosen the tongue of the balky witness.

即使威胁要控告他也不能使这一不肯合人说出一个字来。