如果不定期擦拭，银器会玷污。

The silverware will tarnish if not polished regularly.

如果你不定期浇水，植物会下垂。

The plant will droop if you don't water it regularly.

如果你不定期更换鞋带，它们会磨损。

The shoelaces will fray if you don't replace them regularly.

他因为不定期锻炼而忽视了自己的健康。

He is neglecting his health by not exercising regularly.

如果不定期清理，头发会阻塞淋浴排水口。

Hair can clog the shower drain if not cleaned regularly.

如果不定期检查，这种疾病可能未被发现。

The disease can go undetected without regular check-ups.

如果不定期休息，很容易变得过度疲劳的。

It's easy to get overtired if you don't take regular breaks.

如果不定期维护，藤蔓会长得过大覆盖篱笆。

Without regular maintenance, the vines will overgrow the fence.

如果你不定期拔草，杂草会很快长满整个花园。

If you don't weed regularly, weeds will quickly take over the garden.

如果你不定期清理垃圾桶，它会有难闻的气味。

The garbage can pong if you don't clean it regularly.