「不力」

(pos:形容詞)
<explanation>
yue:達唔到要求，做唔到最好
eng:not fulfilling one's duty; not doing sby's best
<eg>
yue:老闆話佢辦事不力，所以炒佢魷魚。 (lou5 baan2 waa6 keoi5 baan6 si6 bat1 lik6, so2 ji5 caau2 keoi5 jau4 jyu2.)
eng:The boss said she hadn't done her best, and so was fired.