(pos:動詞)
<explanation>
yue:根據自己嘅知識同埋理解唔會有錯；毫無疑問嘅
eng:to be sure
<eg>
yue:我肯定佢冇見到我。 (ngo5 hang2 ding6 keoi5 mou5 gin3 dou2 ngo5.)
eng:I am sure that he didn't see me.
<eg>
yue:我唔肯定㗎。 (ngo5 m4 hang2 ding6 gaa3.)
eng:I'm not really sure.
----
<explanation>
yue:承認一樣嘢嘅價值、貢獻
eng:to appreciate the value or contribution of something
<eg>
yue:佢嘅努力，老細表示肯定。 (keoi5 ge3 nou5 lik6, lou5 sai3 biu2 si6 hang2 ding6.)
eng:The boss expresses approval of his effort.

(pos:形容詞)
<explanation>
yue:確實嘅；唔會動搖嘅
eng:definite; firm; determined
<eg>
yue:作出更肯定嘅承諾 (zok3 ceot1 gang3 hang2 ding6 ge3 sing4 nok6)
eng:to make a firmer commitment on something
<eg>
yue:俾一個肯定嘅答覆我。 (bei2 jat1 go3 hang2 ding6 ge3 daap3 fuk1 ngo5.)
eng:Give me a definite answer.
----
<explanation>
yue:表示同意、贊成，同「否定」相對
eng:affirmative
<eg>
yue:佢表示肯定。 (keoi5 biu2 si6 hang2 ding6.)
eng:His answer is affirmative.

(pos:副詞)
<explanation>
yue:一定；百分百
eng:surely; definitely; certainly
<eg>
yue:呢個問題肯定冇人理。 (ni1 go3 man6 tai4 hang2 ding6 mou5 jan4 lei5.)
eng:The issue will certainly be ignored.
<eg>
yue:肯定係佢做嘅。 (hang2 ding6 hai6 keoi5 zou6 ge3.)
eng:It's definitely him who did that.