切勿

yā lì róng qì qiè wù cì chuō

压力容器，切勿刺戳。

Pressurized container; do not puncture.

qiè wù chōng shang lóu tī hé zǒu dào xū màn zǒu

切勿冲上楼梯和走道，须慢走。

Do not rush on stairs and walkways, walk carefully.

qiè wù fàng guò nǐ bù lǐ jiě de zì

切勿放过你不理解的字。

Never pass over a word you do not understand.