如有火警，切勿使用升降機。

In case of fire, do not use the lift.

Source: Tatoeba

Sentence Composition

1 如 rú
  1. as
  2. as if
  3. such as
=2 有 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒuyì intentional)
=2 有 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “again”)
  2. (obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”)
  3. alternative form of 又 (yòu, “again”)
  4. alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”)
3 火警 huǒjǐng fire alarm
4 切勿 qièwù by no means
5 使用 shǐyòng
  1. to use
  2. to employ
  3. to apply
  4. to make use of
6 升降機 shēngjiàngjī
  1. aerial work platform (e.g. cherry picker or scissor lift)
  2. lift
  3. elevator