costly

You want to avoid costly legal proceedings if you can.

如果能够的话你希望避免昂贵的法律诉讼。

The best equipment is costly but is well worth the outlay.

最好的设备花费大，但这种开支很值得。

That lets us avoid building costly plants or buying expensive power at peak usage time.

这样我们就可以避免在用电高峰期建造昂贵的电厂或购买昂贵的电力。

Too long a sentence will take up costly space better used for the violent and unremorseful.

太长的句子会占用昂贵的空间，而这些空间可以被更好地用于暴力和无情的人。

To ensure a brilliant college life, you´d better spare time to visit campus, even if it may be costly.

为了确保美好的大学生活，你最好抽出时间来参观校园，尽管这可能会比较昂贵。