(pos:語素)(ant:非)
<explanation>
yue:啱嘅；正確嘅
eng:right; correct
<eg>
yue:是非黑白 (si6 fei1 hak1 baak6)
eng:right and wrong
<eg>
yue:是非曲直 (si6 fei1 kuk1 zik6)
eng:right and wrong
<eg>
yue:是非不分 (si6 fei1 bat1 fan1)
eng:unable to distinguish right and wrong

(pos:代詞)(label:文言)
<explanation>
yue:#呢；#今（通常係正式場合入面用）
eng:this, used in formal settings
<eg>
yue:是日精選 (si6 jat6 zing1 syun2)
eng:choice of the day
<eg>
yue:是次會議 (si6 ci3 wui6 ji5)
eng:this meeting

(pos:動詞)(label:書面語)(sim:係)
<explanation>
yue:「#係」嘅書面語
eng:"to be" in Written Chinese
<eg>
yue:#是咁的 (si6 gam2 dik1)
eng:The story goes like this...
<eg>
zho:他是老師，我是學生。 (taa1 si6 lou5 si1, ngo5 si6 hok6 saang1.)
yue:佢係先生，我係學生。 (keoi5 hai6 sin1 saang1, ngo5 hai6 hok6 saang1.)
eng:He is a teacher and I am a student.

(pos:語句)(label:書面語)
yue:用嚟做肯定嘅回答；#係
eng:yes; affirmative