Can I refuse to give testimony?

我能拒绝作证吗？

《牛津词典》

I refuse to compromise my principles.

我拒绝在原则问题上妥协。

《牛津词典》

I refuse to rise to that sort of comment.

我拒绝对那样的评论作出反应。

《牛津词典》

"As president, I refuse to allow this problem to fester."

VOA: standard.2009.05.21

Imagine waking up every morning and saying to yourself: "I refuse to accept the law of gravity.

想象每天早上醒来后对自己说：,“我拒绝接受万有引力定律。

哈佛公开课 - 幸福课课程节选

Deny thy father and refuse they name, or if thou wilt not, be but sworn, my love, and I'll no longer be a Capulet." She's a Capulet.

否认你的父亲，抛弃你的姓名吧，也许你不愿意这样做，只要你宣誓做我的爱人，我也不愿再姓凯普莱特了，她姓凯普莱特。

麻省理工公开课 - 固态化学导论课程节选

I'm open to new ideas... but I refuse to accept any approach that isn't balanced.

BBC: Obama demands tax rises for rich over fiscal cliff

So listen, Golden, I refuse to ask middle-class families to pay more so that I pay less.

WHITEHOUSE: Remarks by the President in Golden, CO

Countries that out-educate us today will out-compete us tomorrow, and I refuse to let that happen on my watch.

WHITEHOUSE: Race to the Top for Education Reform