Lean, hard-training women athletes may menstruate less frequently or not at all.

清瘦、训练艰苦的女运动员行经可能不那么频繁或根本没有月经。

《柯林斯英汉双解大词典》

Many have been attempting to conserve water by irrigating less frequently or by switching to crops that require less water.

许多人试图通过减少灌溉频率或改种需水量更少的作物来节约用水。

youdao

The noise spikes seem to occur a little less frequently.

噪音峰值出现的频率似乎要低一些。

youdao

"The unanticipated consequence is that people are now crossing less frequently and have to wait one to two hours coming in and out of our ports of entry."

VOA: standard.2010.04.21

He added that AS-levels alone correctly predicted the outcome slightly less frequently in 68.4% of cases.

BBC: Minister rejects concerns over AS-level changes

Also, the park's custodial staff will work fewer hours, likely servicing restrooms less frequently, she adds.

WSJ: Look Out for Cutbacks at National Parks

's users leave, or even check in less frequently, its revenue growth would suffer.

NPR: As Facebook Matures, Is It Losing Its Edge?