「一本通書睇到老」

(pos:語句)
<explanation>
yue:用嚟形容人死板、唔識轉彎變通、唔肯學新嘢、唔會改變習慣
eng:rigid; inflexible; refusing to learn new tricks; unable to adapt to a new environment; literally: "reading the same almanac into old age"
<eg>
yue:每個客都唔同，招呼嗰陣唔可以一本通書睇到老。 (mui5 go3 haak3 dou1 m4 tung4, ziu1 fu1 go2 zan6 m4 ho2 ji5 jat1 bun2 tung1 syu1 tai2 dou3 lou5.)
eng:Every customer is different, so we have to be flexible when serving each one of them.