(pos:名詞)
<explanation>
yue:人對行為嘅規限；決定會唔會做某啲嘢嘅界線（量詞：個）
eng:foundational constraints that govern one's behaviour or speech; principles
<eg>
yue:有原則 (jau5 jyun4 zak1)
eng:to live by one's principles
<eg>
yue:佢係一個好有原則嘅男人，話咗唔賭錢就唔賭錢。 (keoi5 hai6 jat1 go3 hou2 jau5 jyun4 zak1 ge3 naam4 jan2, waa6 zo2 m4 dou2 cin2 zau6 m4 dou2 cin2.)
eng:He is a principled man: if he said he won't gamble, he won't.
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<explanation>
yue:最基本嘅道理、需要遵守嘅規矩（量詞：個）
eng:fundamental rule or regulation that needs to be followed; principle
<eg>
yue:道德原則 (dou6 dak1 jyun4 zak1)
eng:moral principles
<eg>
yue:量入為出嘅原則 (loeng6 jap6 wai4 ceot1 ge3 jyun4 zak1)
eng:principle of keeping expenditure within the limits of revenues
<eg>
yue:根據急救原則，首要嘅係檢查現場環境安全。 (gan1 geoi3 gap1 gau3 jyun4 zak1, sau2 jiu3 ge3 hai6 gim2 caa4 jin6 coeng4 waan4 ging2 on1 cyun4.)
eng:According to the basic principle of first aid, checking safety of environment is the very first thing to do.