地板一定要保持乾淨。

The floor must be very clean.

The floor must be kept clean.

Source: Tatoeba

Sentence Composition

1 地板 dìbǎn floor
2 一定要 yīdìngyào must
3 保持 bǎochí
  1. to keep
  2. to maintain
  3. to hold
  4. to preserve
4 乾淨 gānjìng
  1. clean
  2. neat