Correct spelling for the English word "be no good" is [biː nˈə͡ʊ ɡˈʊd], [biː nˈəʊ ɡˈʊd], [b_iː n_ˈəʊ ɡ_ˈʊ_d] (IPA phonetic alphabet).
The phrase "be no good" is an idiomatic expression that conveys the idea of something or someone lacking value, effectiveness, or quality. It can be used in various contexts, including discussing objects, actions, or individuals.
When describing objects, "be no good" implies that an item is defective, useless, or malfunctioning, rendering it unfit for its intended purpose. For example, if someone says, "This phone is no good," they are expressing that the phone is not functional or does not meet their expectations in terms of performance or quality.
When referring to actions or activities, "be no good" suggests that a particular course of action or method is unfavorable or unproductive. For instance, if someone remarks, "Crying over spilled milk is no good," they mean that dwelling on past mistakes or situations that cannot be changed is futile and unhelpful.
Regarding individuals, "be no good" conveys the notion that a person is unreliable, incompetent, or untrustworthy. It implies that the individual lacks the necessary skills, qualities, or character traits to fulfil expectations or fulfill their role effectively. For example, if someone states, "He's no good at keeping promises," they are expressing that the person frequently fails to deliver on their commitments.
In summary, "be no good" refers to something or someone lacking value, effectiveness, or quality in various contexts, including objects, actions, or individuals.