balky

1.The balky horse refused the jump.

马逡巡前拒绝跳过去。

2.The balky engine sputtered and stopped.

听使唤发动机劈啪作响地停了下来。

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

即使威胁要控告他也能使这一肯合作证人说出一个字来。