不常

She doesn't garden very much nowadays—she tires easily.

她最近不常在园子里干活——她很容易疲劳。

Disturbances are relatively infrequent in British prisons.

相对来说，英国监狱不常发生骚乱。

His familiarity with many rarely used languages surprised us all.

"他通晓多种不常使用外国语,这使我感到惊讶。"

I do not use many woods, but when I do I prefer burled types if they are available.

我不常使用木材，使要用且能找到，我爱好根。

In order to achieve optimum productivity, often polybromide laser beam parallel record technology, its light source cost relatively expensive.

为了到达不宜出产效果，不常拔取众激平束并行纪录技艺，其平源本钱相差较矮。

I don't often lunch out.

我不常在外面吃午饭。

He doesn't swim much.

他不常游泳。